Short answer questions:
1. Why do we need a circulatory system?
Answers
Answered by
1
The circulatory system does a very important job in your body. It carries oxygen and essential nutrients to all cells around the body in arteries and carries the waste products and carbon dioxide in veins. The average human body contains over 60,000 miles of blood vessels.
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0
Answer:
to transport oxygen and carbon dioxide in our body
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