digestive and reproductive ;

Question 1

Describe the hormones involved in the secretion of testosterone.

Answer 1

GnRH from the hypothalamus stimulates the secretion of LH and FSH from the ant. pit. LH stimulates lending cells to secrete androgens (testosterone), which stimulates spermatogenesis, inhibits GnRH, and stimulates primary and secondary characteristics.

Question 2

What organ secretes estrogen and progesterone?

Answer 2

ovaries

Question 3

What is the function of progesterone? During which phase of the menstrual cycle would its secretion be increased?

Answer 3

prepares the uterus for pregnancy during the second half of every menstrual cycle

Question 4

What organ does progesterone act on?

Answer 4

the uterus

Question 5

Describe the phases of the ovarian cycle and how long each one is (excellent short answer question).

Answer 5

1- follicular phase which is 14 days. Each ovum develops in its own fluid-filled bubble-like follicle. Follicle ruptures and releases the egg
after pooling the uterus
2- luteal phase 15-28 lasts just after ovulation until menstruation. Follicle ruptures and collapses and becomes a highly vascularized struggle corpus luteum. LH and FSH gradually decline from neg feedback

Question 6

Describe the phases of the menstrual cycle and how long each one is.

Answer 6

1- proliferative phase 6-14
2- secretory phase- 15-26 creates ideal environment for embryonic development
3- premenstruation last 2 days beginning of endometrial degeneration
4- menstrual phase 1-5 defined as the vaginal discharge of blood fluid after pooling the uterus

Question 7

What is the corpus luteum? What hormone stimulates its development?

Answer 7

highly vascularized structure LH stimulates it

Question 8

What is the purpose of the secretory phase? Why would this phase occur after ovulation?

Answer 8

prepares the uterus for fertilization

Question 9

Why does premenstruation begin?

Answer 9

last 2 days of the cycle

Question 10

What hormones are important for the follicular and proliferative phases?

Answer 10

estrogen and progesterone

Question 11

What hormones are important for the secretory and luteal phase?

Answer 11

progesterone and glycogen (LH)

Question 12

What are the digestive enzymes found in saliva?

Answer 12

amylase, lipase, lysozyme

Question 13

What is peristalsis?

Answer 13

a part of mechanical digestion which involves wave like movements to move food