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3 Cards in this Set
- Front
- Back
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Breathing |
Breathing is the movement In animals which brings oxygen to a respiratory surface for gaseous exchange and removal of carbon dioxide |
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Gaseous exchange |
Is the diffusion of oxygen into, and carbon dioxide out of an organism at a respiratory surface |
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Respiratory surfaces |
Small unicellular organisms have a large surface area to volume ratio. Gaseous exchange therefore occurs efficiently across the entire body surface. In larger organisms with a small surface to volume ratio, specialized respiratory surfaces have developed which provide large surface area for gaseous exchange. In many animals the respiratory surfaces form part of the respiratory system |
