Reproductive+System+Homework



(1) When is an individual capable of producing children? A woman is capable of becoming pregnant between days 15 and 28 of her menstrual cycle.

(2) Where are sperm produced? Sperm are produced in the testes.

(3) Where are eggs produced? The eggs are produced in the ovaries.

(4) How many chromosomes does the mother contribute via the egg to the new individual? It contributes 23 chromosomes.

(5) How many chromosomes does the father contributed via the sperm to the new individual? It contributes 23 chromosomes.



(6) What male structures are involved in the making of seminal fluid? The seminal fluid is made by the seminal vesicles, prostate gland, the bulbourethral glands, and the testes.

(7) Describe the cells and structures involved in making mature sperm. Cells undergo spermatogenesis and spermatids differientiate into sperm. Sertoli cells nourish the sperm which consists of a head, a middle piece, and a tail.

(8) Which hormones control the male reproductive cycle? Describe the function of each. Gonadotropin-releasing hormone stimulates the secretion of the gonadotropic hormones FSH and LH. FSH controls the production of sperm and LH controls production of testosterone. Testosterone promotes normal growth and development of the male sex organs and encourages other characteristics that define the male sex.

(9) Describe the function of the ovaries, oviducts, uterus, cervix, and vagina. The ovaries produce the eggs. The oviducts or fallopian tubes are the place for implanation. The uterus is a muscular organ where the baby is formed. The cervix contains the opening to the uterus, and the vagina serves as the birth canal and en exit for menstural flow.

(10) Which hormones control the female reproductive cycle? Describe the function of each. FSH aids in ovulation. Estrogen aids in the menstrual cycle and promotes healthy growth of female sex organs, and LH helps the body prepare for pregnancy. Progesterone helps the female body recover after ovulation.