1. 3.5.3 Responses in the Human – Eye and Ear Follow-Me – iQuiz

2. Q. What is the function of the semi-circular canals? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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4. Q. What is the function of the cochlea? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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6. Q. What is connected to the middle ear by the Eustachian tube? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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8. Q. What surrounds the bones in the middle ear? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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10. Q. Name two sense organs, other than the ear and the eye, in the human body. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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12. Q. What is the function of the lens of the eye? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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14. Q. What is the function of the retina of the eye? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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16. Q. Outline the role of the suspensory ligaments in vision. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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18. Q. Outline the role of the cones in vision. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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20. Q. Outline the role of the optic nerve in vision. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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22. Q. Outline the role of the brain in vision. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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24. Q. Explain how the iris works. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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26. Q. Suggest a reason why two eyes are better than one. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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28. Q. In which part of the ear are nerve impulses generated? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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30. Q. In which part of the eye are nerve impulses generated? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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32. Q. Suggest one way by which the ear may be protected. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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34. Q. The hammer (malleus) is a very small bone located in the... Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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36. Q. Which is present in the middle ear, gas or liquid? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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38. Q. In which part of the eye would you find rods and cones? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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40. Q. What is the function of the Eustachian tube? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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42. Q. TRUE or FALSE. The semi-circular canals in the ear are involved in balance. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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44. Q. Name the coloured part of the eye. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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46. Q. What is the function of the pupil in the eye? Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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48. Q. Name the type of chemical that carries messages between two neurons. Air Brings impulses from retina; Brings impulse to brain Ear Detect colour Convert light into nerve impulses; Image forms on it Gas Focus light onto the retina FALSE Equalise pressure on the eardrum Holds lens in place; Changes shape of lens Interprets information received from retina Muscular contraction in response to light intensity, pupil size changes, allows more or less light in Neurotransmitter Hearing Throat Skin; Tongue; Nose Retina Skull/bone; Wax; Wear ear protection; Avoid noisy environments Allow light in Increased visual field; Judge distance (depth); 3D vision Balance Iris Cochlea or semi-circular canals TRUE

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