Chapter 28 The Female Reproductive System. Sex Differentiation Female Anatomy Female Physiology. MALE Testes Sperm Scrotum Penis. FEMALE Ovaries Egg Labia Majora Clitoris.
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Sex DifferentiationMale & female are indistinguishable forthe first 10 weeks of development. Females develops due to absence of testosterone hormone causing degeneration of the male anatomical structures
which has an open called the os
that leads from the vagina to the uterus
Uterus or womb has many purposes:
Pathway for sperm to reach fallopian tubes
Site of menstruation (inner uterine layer is the endometrium)
Site of implantation of fertilized ovum
Development of the fetus (0ven)The Uterus
decreased fat and increased protein, human milk is increased fat, decreased protein. Why?
harder to digest & more nitrogenous waste (diaper rash)
10% of women become pregnant again while nursing
Lactation- secretion and ejection of milk
Oxytocin- hormone that causes the release of milk
Colostrum- antibody rich pre-milk appears the first four days, one of the important reasons mothers should, at least, attempt breastfeeding
Advantages for the kid: decreased heart disease, allergies, cancer, GI problems and infections
Advantages for mom: decreased breast CA and osteoporosis, weight lossBreast Milk