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How big do you think the surface area of the alveoli in one set of human lungs is? 7 m 2 70 m m 2
Messenger and Scribe Organise yourselves into groups of four. Nominate one person from your group to be messenger…
The alveoli One cell thick - squamous epithelial cells Covered in network of capillaries Folded Found in large numbers in the lungs
The alveoli under the microscope
Emphysema: based on the image alone – what do you think the symptoms of emphysema are?
Pneumonia: based on the image alone – what do you think the symptoms of pneumonia are?
Making Notes Alveoli as an Exchange Surface Cells involved? Tissues involved? Main features? How do they apply to Ficks law?
Tissues. Histology - the study of tissues There are four general classifications of human tissues, based on structure and function. Epithelial tissues.
Respiratory System ROLE: To bring oxygen into the body and to get rid of the carbon dioxide from the body.
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Here are three sets of 10. How many sets of 5 are there? Five times.
High Frequency Words List A Group 1. the of and.
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Of. and a to the in is you that it at be.
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The. of and a to in is you that it he was.
Needs of the Organism are met at the Cell level Identify the steps of how cells of the body use organs and tissues to get food and air and get rid of wastes?
About Policies and Procedures. What are policies and procedures? Policy = what has to be done (or not done). Sometimes it includes some information about.
Respiratory and Circulatory Systems Air and Blood.
IB Biology Gas Exchange IB Biology Ventilation, gas exchange and cell respiration. 1. Ventilation: The flow of air in and out of the.
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The Circulatory System And the Forensic Implications of Human Anatomy.
Lap 1. the to and he a I you it of in Lap 2.
1. A(n) _____ is the most basic unit of all living things. Cell Cell membrane Organelles Cell wall Structure Organ Prokaryote Eukaryote Tissue Function.
The way in which mail is dealt with depends on the: size of the organisation number of staff involved type of mail received (internal, external, .
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Human Biology Chapter 1. Bell Work 10/12/09 1.How do you think you did on the benchmark? 2.How did you study for the benchmark and how long did you study.
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