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Definition
| a transport system where there are no exits or entrances. The circulatory system is a closed system. |
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Definition
| lower chambers of both sides of the heart |
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Definition
| small sacs at the end of bronchial tree where oxygen and carbon dioxide are exchanged in the blood |
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Definition
| The heart as 4 chambers (rooms), 2 atria and 2 ventricles. |
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Definition
| The upper chambers of both sides of the heart |
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Definition
| The heart is a "hub" or center of the circulatory system. |
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Definition
| The smallest, thinnest blood vessels in the body where oxygen and carbon dioxide are exchanged with every cell of the body |
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| Bigger to smaller vessels |
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Definition
| the blood moves from bigger to smaller vessels when it travels to individual cells or to the lungs |
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Term
| Smaller to bigger vessels |
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Definition
| The blood moves from smaller to larger vessels when it moves from individual cells back to the heart |
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Definition
| There are two sides of the heart that act a pumps, left and right. Each side has an atrium and ventricle. |
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Definition
| The direction of blood flow in the vessels and heart, controlled by valves. (blood flows in one direction) |
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| raw materials for cellular respiration |
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Definition
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| products of cellular respiration |
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Definition
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| waste products of cellular respiration |
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Definition
| carbon dioxide, heat, water |
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| Cellular Respiration recipe |
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Definition
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