Answer:
Cells help our body in many ways. if we didnt have cells out bodys would not function. Cells actually provide structure for the body and take in nutrients from food. They then convert those nutrients into energy, and carry out specialized functions.
No it will not bwecause there are two valves
A situation where friction would be desirable is rubbing your hands together to make them warm in the winter time.
<span>epineurium
It is the answer
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