1.what are the internal parts of the male reproductive system and what are their functions?
2. name two secondary sex characteristics that apper upon the release of testosterone during puberty?
3. why is it important to change underwear regularly?
2. name two secondary sex characteristics that apper upon the release of testosterone during puberty?
3. why is it important to change underwear regularly?
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1. Most of the male reproductive system is located outside of the body. this external structures are the penis, scrotum, epididymis, and testes. the internal organs of the male reproductive system are called accessory organs. they include the vas deferens, seminal vesicles, prostate gland, and bulbourethral glands.
2. The increase secretion of testosterone from the testes during puberty causes the male secondary sexual characteristics to be manifested. In males, testosterone directly increases size and mass of muscles, vocal cords, and bones, deepening the voice, and changing the shape of the face and skeleton.
3. Because not changing underwear regularly causes microbes and other bacteria to accumulate and fester, often causing an embarrassing odour and an itchy rash on the skin. To maintain hygiene, and cleanliness fresh underwear is a non-negotiable essential.