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A key physical component of puberty is the ____ gland, which regulates pubertal changes by signaling other glands to secrete hormones.

a. thyroid
b. adrenal
c. pituitary
d. pineal

1 Answer

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Final answer:

The pituitary gland is the key physical component of puberty that regulates pubertal changes by signaling other glands to secrete hormones.

Step-by-step explanation:

The key physical component of puberty is the pituitary gland, which regulates pubertal changes by signaling other glands to secrete hormones. The hypothalamus in the brain releases gonadotropin-releasing hormone (GnRH), which stimulates the pituitary gland to secrete hormones that target the gonads (testes and ovaries). These hormones, such as follicle-stimulating hormone (FSH) and luteinizing hormone (LH), control the development and regulation of the reproductive system during puberty.

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