Reproduction

Question 0

Name the five mail accessory sex organs

Answer 0

Epididymis, vas deferens, seminal vesicles, prostate, and ejaculatory duct

Question 1

What two things do mail embryos secrete and what is the result

Answer 1

The testes secrete testosterone and mullerian inhibition factor. MIF causes degeneration of female accessory sex organs and testosterone promotes the formation of male accessory sex organs

Question 2

Name the two female accessory sex organs

Answer 2

Uterus and uterine tubes

Question 3

What’s what stimulates the formation of male external genitalia and male accessory sex organs

Answer 3

Testosterone

Question 4

Name the two hormones that the gonads are stimulated by where these are secreted from what stimulates these hormones and where is that secreted from and what feedback loop acts on this pathway

Answer 4

FSH and LH are secreted from the anterior pituitary. Your stimulated by GnRH which is secreted from the hypothalamus. FSH and LH or negatively controlled by the gonads via gonadal steroid hormones and inhibin

Question 5

Sperm and ovum each contribute how many chromosomes to the zygote which eventually has how many

Answer 5

Sperm and ovum each 23. Zygote 46

Question 6

X chromosomes have how many jeans while Y chromosomes have how many jeans

Answer 6

1090 for x 80 for y

Question 7

What happens to the second x chromosome for females

Answer 7

It becomes inactive and produces a bar body

Question 8

Age of average female purity and age of average male puberty

Answer 8

Female – 8-14

Male- 10-16

Question 9

What are the two compartments of the testes

Answer 9

Seminiferous tubule’s and interstitial tissue

Question 10

Describe what happens in the seminiferous tubules

Answer 10

Spermatogenesis occurs as a result of the FSH receptors on the Sertoli cells

Question 11

Describe what happened in the interstitial tissue

Answer 11

Leydig cells make testosterone as a result of LH stimulation

Question 12

What is LH inhibited by what is FSH inhibited by

Answer 12

LH is inhibited by testosterone FSH is inhibited by testosterone and inhibin

Question 13

What happened to testosterone once it is in the brain

Answer 13

It is converted to DHT by five alpha reductase. Or estradiol by aromatase

Question 14

Describe the phases of erection and ejaculation

Answer 14

Parasympathetic innervation results and increase nitric oxide and relaxing smooth muscle dilating arterioles producing erection. Sympathetic innervation causes contraction of smooth muscles producing ejaculation

Question 15

On what day of the menstrual cycle one follicle become a mature follicle, and what happens after that

Answer 15

10th to 14th, it bulges out of the ovary and verse to release the secondary Oocyte

Question 16

What happens after the secondary Oocyte is formed

Answer 16

The remaining follicle becomes a corpus luteum and the secondary Oocyte will die within a few days if not fertilized