Produced by endocrine glands Male endocrine glands = Testes Female endocrine glands = Ovaries
What happens when a male or female goes through puberty? Why?
Testosterone Secondary Sex Characteristics = Enable body to produce gametes ◦ Lower pitch voice ◦ Causes the testicles to descend ◦ Changes in body form ◦ Growth of beard/body hair Throughout the life of a man, his body will continue to produce testosterone, although the production rate will decline in old age. Females also produce testosterone ◦ Helps with osteoporosis & production of estrogen
Estrogen & Progesterone – produced by ovaries LH & FSH – produced by pituitary gland ◦ Luteinizing Hormone ◦ Follicle-Stimulating Hormone Functions = 1. Secondary Sex Characteristics = enable body to produce gametes ◦ Development of breasts ◦ Change in body form ◦ Growth of body hair 2. Enable body to prepare for pregnancy **Men also produce estrogen and progesterone!!
1. The release of a mature egg from a follicle 2. The preparation of the uterus for pregnancy
Begins a puberty Ends at menopause “Normal” (average) cycle is 28 days can vary greatly and is affected by illness, stress and other factors.