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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
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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!

User Lincz
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1: blood 2: blood 3: oxygen 4: nutrients 5: carbon dioxide 6: deoxygenated 7: heart 8: lungs 9: oxygen
User Karmen Blake
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12 votes

Answer:

1:heart 2:blood 3:carbon dioxide

Step-by-step explanation:

User QingYun
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