1) The muscular system is responsible for the movement of the human body.
2) Digestion is controlled by smooth muscles found in your gastrointestinal tract.
-sruthi123
Answer:
A polymer is a substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
Synthetic Polymers: nylon, polyethylene, polyester, Teflon, and epoxy.
Natural Polymers: silk, wool, DNA, cellulose and proteins
2-sensitive to pH and temperature of their environment
4-large proteins with a special surface pattern
Sex hormones
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