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Definition
| Thin-walled tissues where exchanges of water, nutrients, gases, and waste products occur between the blood and the fluid |
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Definition
| Vessels that return blood to the heart; made of thinner walls and of a flattened cross-section |
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| Sites for production and storage of certain white-blood cells; they play a critical role in the body's human defenses |
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Definition
| Vessels that carry blood away from the heart |
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Term
| Most components of the blood remain in the blood vessels |
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Definition
| What does it mean to say that the circulatory system of vertebrates if a closed system? |
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| Higher blood pressure; Rapid distribution of materials; control over the amount of blood going to different regions of the body. |
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Definition
| What three things does a closed system allow for? |
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Definition
| Part of the heart that receives oxygen-depleted and carbon dioxide rich blood |
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Definition
| Blood drained from the stomach and intestines is led to the liver by this vessel |
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| Major vessels with oxygen-depleted blood draining the caudal parts and inner organs of the body |
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Definition
| Major vessels with oxygen-depleted blood draining the head, neck and arms |
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Definition
| Valves through which blood leaves the heart into two large arteries; they prevent the back flow of blood |
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Definition
| Vessels that carry oxygen-depleted blood to the lungs where gas exchange happens |
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Definition
| Blood that has picked up oxygen from the lungs returns to this chamber of the heart |
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| Large vessel through which blood leaves the left ventricle and then runs toward the pelvis |
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Definition
| Heart chamber through which oxygenated blood leaves the heart through the aorta |
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Term
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Definition
| Vessels that leave the aorta and feed the heart wall |
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Term
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Definition
| Vessels that return oxygen depleted blood of the heart muscle to the right atrium |
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