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6 Cards in this Set
- Front
- Back
Inhaling
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Diaphragm contracts
External Intercostal Muscles contract Volume of chest cavity increases Pressure in lungs drop lower than atmospheric pressure Air diffuses into lungs |
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Exhaling
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Diaphragm relaxes
External Intercostal Muscles relax Volume of chest cavity increases Pressure in lungs higher than atmospheric pressure Air diffuses out of lungs |
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Why do organisms need special exchange surfaces?
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So that they can get:
Oxygen for respiration Glucose as a source of energy Proteins for growth and repair Fats to make membranes and be a store of energy water Minerals to maintain their water potential, help enzyme action and other aspects of metabolism |
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Muscle's...
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Contract.
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Airway's...
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Constrict.
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Golgi Complex
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F: Modify proteins and ship to in/outside cell
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