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8 Cards in this Set
- Front
- Back
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Respire |
Take in oxygen breathe out co2. |
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Diffusion |
The movement of materials from an area of high concentration to an area of low concentration. |
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Circulatory |
Flowing in a circle. |
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Open Circulatory System |
A system in witch blood makes direct contact with the cells. |
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Annelid |
A segment worm or a worm whose body is divided into segments. |
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Open Circulatory System |
A system in which blood stays inside the vessals at all times. |
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Atrium |
A heart chamber that receives blood returning to the heart. (Plural is atria) |
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Ventricle |
A heart chamber that pumps blood away/out of the heart. |
