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How did researchers establish the connection between chimpanzees and humans?
Testosterone
A steroid hormone primarily produced in men's testes and women's ovaries, significant for regulating sex drive, bone mass, fat distribution, muscle mass, and strength.
Wolffian System
A part of the embryonic male reproductive system that develops into the epididymis, vas deferens, and seminal vesicles in males.
Amniotic Sac
The sac containing the fetus.
Androgens
A group of hormones that play a role in male traits and reproductive activity; present in both males and females, they are typically higher in males.
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