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1 vote
What are muscles made of

User Tripulse
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2 Answers

4 votes
I think they are made of Protein
User Steven Siew
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6.0k points
2 votes

Answer:

protein

Step-by-step explanation:

Muscles are made of protein, and their building blocks are the amino acids. When you use your muscles in daily activity or exercise, they are broken down.

User Jaeho
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