Answer: 11. B 12. A
Explanation:
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Answer:
I don't see different between Physical and exercise.. Both of them help body and make muscles
Dystrophin. It is the protein located between the sarcolemma and the outermost layer of myofilaments in the muscle fiber. It is a cohesive protein, linking actin filaments to another support protein that resides on the inside surface of each muscle fiber's plasma membrane.
Skin cells aren’t found in the circulatory system
