The adolescent growth spurt is triggered by ____, which is released by the pituitary gland into the blood and is carried throughout the body.

Question

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The adolescent growth spurt is primarily triggered by growth hormone, which is released by the pituitary gland into the blood and stimulates bone and muscle growth throughout the body. Thyroxine, testosterone, and estrogen also play important roles in growth and development, but they are not as directly involved in triggering the adolescent growth spurt.

The Adolescent Growth Spurt Is Triggered by ____, Which Is