Reproduction Cycle

Question 1

which part of the brain regulates the reproduction cycle?

Answer 1

• hypothalamus

- endocrine system (pituitary and ovaries)

Question 2

ovarian cycle

Answer 2

• results from production and release of mature ovum

- produces estrogen and progesterone

Question 3

uterine endometrial cycle

Answer 3

-prepares uterus for implantation of fertilized ovum and pregnancy

Question 4

cycle that occurs in the brain during the reproduction cycle

Answer 4

hypothalamus–>hormones releasing factors–>pituitary–>gonadotropic hormones

Question 5

human chorionic gonadotropin (HCG) importance

Answer 5

• produced by fetal membranes

- prevents degeneration of corpus luteum and stimulates it

Question 6

how many chromosomes are in sperm and in ovum?

Answer 6

• 23

- they fuse into a single nucleus and then has 46 chromosomes

Question 7

what does the baby give to the mother through the two umbilical arteries in the umbilical cord?

Answer 7

-deoxygenated blood

Question 8

what does the mother give to the baby through the umbilical vein in the umbilical cord?

Answer 8

• oxygenated blood
• nutrients
• diffuses from maternal blood into fetal blood