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"The Cycle" of the Cardiovascular System: 1._______________ is sent throughout the body with every heartbeat. 2. _______________ begins to circulate when the heart relaxes between two heartbeats. The blood then releases 3.____________ and 4.___________ to the cells and takes on 5._____________ and other waste. The 6._______________ blood returns to the heart after transporting nutrients and oxygen. The 7.______________ pumps blood back to the 8._______________ to pick up more 9.________________, then the cycle repeats. I don't know what goes in the blanks!

Sagot :

Answer:

1:heart    2:blood  3:carbon dioxide

Explanation:

1: blood 2: blood 3: oxygen 4: nutrients 5: carbon dioxide 6: deoxygenated 7: heart 8: lungs 9: oxygen
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