Reproduction and Development Review

bladder Vas deferens Seminal vesicles Prostate gland Cowpers glands urethra testes penis

3 4 5 2 6 1 7 Vas deferens penis prostate urethra epididymis testis Seminal vesicle 4 Vas deferens penis 5 prostate 2 6 urethra 1 epididymis 7 testis

What is the function of Penis……………….. Epididymis……….. Seminal vesicles.. Prostate gland….. Cowpers gland.... Internal fertilization Stores mature sperm Sugar solution – for sperm Basic solution - protection Lubricant – for ejaculation, urethra

1 1 2 1 6 1 3 1 4 1 5 1 oviduct uterus ovary cervix vagina 1 1 oviduct 2 1 uterus 6 1 ovary 3 1 cervix 4 1 vagina 5 1 Lining of uterus (endometrium)

8 ovary 7 oviduct 11 uterus 9 cervix 10 vagina

placenta A temporary organ (gland) forming from the chorion and the endometrium from mother What are the functions of the placenta?

1. source of nourishment for embryo Functions of the Placenta 1. source of nourishment for embryo 2. respiratory surface for embryo 3. excretory organ of embryo 4. attaches embryo/fetus to wall of uterus 5. secretes chorionic gonadotropin, progesterone, estrogen - regulation of pregnancy

The blood of the embryo/fetus and the mother do not mix! (embryonic and maternal circulatory systems are not connected ) How do substances get for the mom’s blood to the fetus and vice versa?

amnion thin, tough, membranous sac that encloses the embryo or fetus of a mammal, bird, or reptile. It is filled with amniotic fluid in which the embryo is suspended

What is the function of amniotic fluid? 6 weeks - Keeps baby warm - Lubrication keeps body parts from growing together - Allows movement of baby (exercise) - Shock absorber