heart + blood flow
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Last updated 9:39 PM on 4/5/26
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13 Terms
1
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the heart is the size of a __
fist
2
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the heart has _ ___ & _ ____
4 chambers, 4 valves
3
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the upper receiving chamber(s) are the ___
atrium
4
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the lower pumping chambers are __
ventricles
5
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system/ic
body
6
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pulmon-
lung
7
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arteries
carries blood away from the heart
8
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veins
carries blood to the heart
9
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arterioles
smaller branches of arteries that carry blood away from the heart
10
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capillaries
where gas exchange takes place
11
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venules
small branches of veins that carry blood to the heart
12
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sa node
initiates heart rate + natural pacemaker
13
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av node
gateway to impulse sent to ventricles & av septum + has delay
