1. 3.4.4 The Breathing System in the Human 3.4.7.H Carbon Dioxide: A Controlling Factor in Gaseous Exchange Follow-Me – iQuiz

2. Q. What is the average breathing rate at rest? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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4. Q. What is the function of the larynx? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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6. Q. Name the blood vessel that returns blood rich in oxygen to the heart. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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8. Q. State a possible effect of smoking on the breathing resting rate. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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10. Q. Where is the epiglottis? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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12. Q. Name the muscles that are used in breathing. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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14. Q. True or False. Humans receive oxygen from the air they inhale. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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16. Q. What is the role of alveoli in the lungs? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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18. Q. State the location in the human body of the intercostal muscles. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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20. Q. Give one way in which water is lost from the body. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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22. Q. Give one feature of the alveoli that allows efficient exchange of gases. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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24. Q. What is the function of cilia in the breathing system? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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26. Q. Name the main gas transported in the pulmonary artery. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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28. Q. Name the process involved in the passage of gas between the alveolus and the blood. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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30. Q. What is the function of the epiglottis? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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32. Q. How did you measure the breathing resting rate? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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34. Q. True or False. Humans receive nitrogen from the air they inhale for protein manufacture. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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36. Q. The trachea contains rings of cartilage. Suggest a function of this cartilage. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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38. Q. When the diaphragm and intercostal muscles contract the volume of the thorax … and the pressure … 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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40. Q. Breathing rate in humans is controlled by the concentration of what gas dissolved in the blood? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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42. Q. Outline the steps involved in inhalation. 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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44. Q. What is respiration? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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46. Q. When the diaphragm and intercostal muscles relax the volume of the thorax … and the pressure … 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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48. Q. Where do cilia occur in the breathing system? 16 bpm Carbon dioxide Diffusion Diaphragm; Intercostal Decreases; Increases Air inhaled Impulse from brain; Muscles contract; Thorax volume increases; Pressure decreases FALSE Exchange gases Keep trachea open; Protection of trachea Prevent food going down 'the wrong way' Pulmonary artery Pulmonary vein Raises rate Increases; Decreases Trap dirt and bacteria and sweep them upwards to the glottis Thin walls; Moist surfaces; Surrounded by capillaries; Large surface area; Expandable Sweating; Breathing out water vapour; Urination Trachea At the back of the throat; Top of oesophagus Observe; Count; Repeat; Average; Record Between ribs Produce sound Controlled release of energy from food, within the cells of an organism 72 bpm TRUE

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