Gas Exchanges in the Body
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| Describes the fact that each gas a mixture exerts pressure according to its percentage in the mixture | Dalton's law
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| States that at constant temperature, the pressure of a gas varies inversely with it's volume | Boyle's law
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| States that when gases are in contact with liquids, each gas will dissolve in proportion to its partial pressure and solubility in the liquid | Henry's law
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| What therapy is used to treat carbon monoxide poisoning, gas gangrene, and tetanus? | Hyperbaric oxygen
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| This therapy represents a clinical application of which of the ideal gas laws? | Henry's law
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| What are the mechanism and consequences of oxygen toxicity? | Mechanism: generation of free radicals Consequences: CNS depression, coma, death
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| Period of breathing when air enters the lungs | Inspiration
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| Period of breathing when air leaves the lungs | Expiration
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| Alternate flushing of air into and out of the lungs | Pulmonary ventilation(breathing)
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| Exchange of gases between alveolar air and pulmonary capillary blood | External respiration
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| Exchange of gases between blood and tissue cells | Internal respiration
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| All gas exchanges are made by | Diffusion
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| When substances pass in this manner, they move from areas of their___to areas of their___. | Higher concentration, Lower concentration
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| Thus oxygen continually passes from the___and then from the___. | Air of alveoli to capillary blood; Capillary blood to tissue cells
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| Conversely, carbon dioxide moves from the___and from___. | Tissue cells to capillary blood; Capillary blood to alveolar air
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| As a result of such exchanges, arterial blood tends to be relatively___, while venous blood is relatively___. | Carbon dioxide poor and oxygen rich; Oxygen poor and carbon dioxide rich
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