Final answer:
Growth hormone (GH) is the key hormone that promotes bone and muscle growth.
Explanation:
Growth hormone (GH) is the hormone that stimulates the growth and development of bones and muscles. It promotes protein synthesis and body growth, particularly in skeletal muscles and bones. Other hormones like thyroid hormone, sex hormones, and vitamin D also play roles in bone growth and development.
Learn more about hormones and bone growth here:
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