 On average, males have around 10 times more testosterone than women.Prominent muscles of the body include the latissimus dorsi, trapezius, pectoral muscles (muscles critical for a strong erect posture) as well as biceps and triceps in the arms and quadriceps and hamstrings in the thighs.Females have enlarged breasts due to functional mammary glands, which develop from puberty onward due to the effects of estrogen.