The answer would be the parietal pericardium.
Answer:
it should be 4 , it is an advantage
Answer:
A. Metabolism
Explanation:
Metabolism is the chemical reactions in the body's cells that change food into energy. Our bodies need this energy to do everything from moving to thinking to growing. Specific proteins in the body control the chemical reactions of metabolism.
The answer is B- the forces air puts on the area around it.