Bio Q4 test, DNA to Proteins, Human Reproductive system

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How does testosterone affect boys?

deepens their voice, broad shoulders, increased muscle mass, body hair; sperm production in testes

How does estrogen affect girls?

widen hips, breast formation, egg production in ovaries; menstrual cycle

In men, urine and semen are carried outside the body through the urethra. T or F

True

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