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Definition
| the uptake of molecular oxygen from teh environment and the dischange of carbon dioxide to the environment |
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Term
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Definition
| the flow of air or water over a respiratory surface |
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Term
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Definition
the tool from which we get oxygen
For humans: air
For fish: water |
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Term
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Definition
| vary by animal and can include the outer surface, skin, gills, trachae, and lungs |
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Term
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Definition
| in insets, a system of branched, air-filled tubes that extends throughout the body and carries oxygen directly to cells |
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Term
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Definition
gills are the respiratory surface in aquatic animals
gills are outfoldings of the body that create a large surface area for gas exchange |
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Term
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Definition
| blood in a fish gill flows in the opposite direction of water passing over the gill, maximizing diffusion of oxygen into and carbon dioxide out of the blood |
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Definition
| an infolded respiratory surface of a terrestrial vertebrate, and snail or spider that connects to the atmosphere by narrow tubes |
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Term
| Negative pressure breathing |
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Definition
a breathing system in which air is pulled into the lungs
expansion of space lowers pressure of lungs which pulls air into lungs |
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Term
| Positive pressure breathing |
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Definition
| a breathing system in which air is forced into the lungs |
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Term
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Definition
| an iron-containing protein in red blood cells that reversibly binds oxygen |
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