Term
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Definition
Take blood away from the heart
(Oxgenated blood) |
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Term
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Definition
| A substance that increases the amount of oxygen a blood cell can carry |
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Term
| Difference between open and close transport systems |
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Definition
Open -Blood flows directly to tissues and is not always carried in vessels
Closed-A system in which the blood is always contained within tubes or vessels in the body |
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Term
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Definition
| A small group of specialized muscle cells in the walls of the right atrium that control the contrations of the heart (pace-maker) |
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Term
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Definition
| A small bundle of muscel cells at the base of the right atrium triggers an impulse that causes contraction of ventricels |
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Term
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Definition
The period of relaxtion of the heart
(resting time) |
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Term
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Definition
| A period of contration of the heart |
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Term
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Definition
| A system of vessels that return excess fluid and protens from intracellular places to the blood |
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Term
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Definition
| comes from body cells. Diffuses into blood and combines with substances |
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