Respuesta :
The correct option is A) people differ in their genetic amounts of myostatin, which limits how big muscles can grow.
What are muscular system?
The muscular system exists as an organ system consisting of skeletal, smooth, and cardiac muscles. It allows movement of the body, sustains posture, and distributes blood throughout the body. The muscular systems in vertebrates exist controlled through the nervous system although some muscles (such as the cardiac muscle) can be thoroughly autonomous. Together with the skeletal system in the human, it includes the musculoskeletal system, which stands answerable for the movement of the body.
Hence,The correct option is A) people differ in their genetic amounts of myostatin, which limits how big muscles can grow.
Learn more about Functions of muscular system refer to:
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