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| a system of the body composed of the heart, blood, and blood vessels. |
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| a hollow muscular organ that pumps a circulation of blood through the body by means of rhytmic contraction. |
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| the space in the chest between the lungs that contains all the internal organs of te chest, except the lungs. |
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| the superior chamber of the heart that receives blood from the veins and forces it into the ventricles. |
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| the inferiior chamber of the heart that receives blood from its corresponding atrium and, in turn, forces blood into the arteries. |
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| fluid that circulates in the heart, arteries, capillaries, and veins, whihc carries nutrients and oxygen to all parts of the body and also rids the body of waste products. |
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| network of hollow tubes that circulates blood throughout the body. |
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| vessesl that carry blood away from the heart. |
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| vessesl that carry blood from the capillaries toward the heart. |
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| small terminal branches of an artery, which end in capillaries |
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| the smallest blood vessles, which connect venules with arterioles. |
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| the very small veins that connect capillaries to the larger veins. |
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| a system of organs (the lungs and respiratoyr passageways) that collects oxygen from the external environment and transports it to the blood stream. |
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| the process of actively contracting inspiratory muscles to move air into the body. |
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| the process of actively or passively relaxing inspiratory muscles to move air out of the body. |
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| the biology of energy transformations and exchanges within the body, and between it and the environment. |
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| Adenosine Triphosphate (ATP) |
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Definition
| A cellular structure that supplies energy for many biogchemical cellular processes byundergoing enzymatic hydrolysis. |
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