Hormone Regulation In the Reproductive System

Question 1

MEN AND WOMAN What secretes FSH and LH?

Answer 1

The pituitary gland.

Question 2

MEN What do FSH and LH do? Why?

Answer 2

They stimulate the testes to produce testosterone.

Question 3

MEN Testosterone produces what?

Answer 3

Sperm.

Question 4

MEN These hormones, (testosterone, FSH, and LH) remain high as long as ___ _____ ___ _____.

Answer 4

A man is fertile.

Question 5

WOMAN What is cyclical to produce an egg once a month?

Answer 5

FSH and LH.

Question 6

WOMAN What does FSH do to the ovum in the ovaries?

Answer 6

It matures the egg.

Question 7

WOMAN The maturing egg will increase what in the ovary?

Answer 7

Levels of estrogen.

Question 8

WOMAN What does LH do to the ovum in the ovaries?

Answer 8

It releases the egg.

Question 9

What is corpus lutium?

Answer 9

The shell of the egg that has been released.

Question 10

What does corpus lutium produce? Why?

Answer 10

Progesterone and estrogen to enrich the blood lining.

Question 11

What is oogenesis?

Answer 11

It’s the process of the egg formation.

Question 12

Where and when does oogenesis occur?

Answer 12

In the ovaries and just before birth.

Question 13

When does oogenesis happen for the first time?

Answer 13

Puberty.

Question 14

What is spermatogenesis?

Answer 14

The sperm production.

Question 15

What male hormones are regulated?

Answer 15

Testosterone.

Question 16

How are the levels of testosterone?

Answer 16

They’re always high.

Question 17

What tell the testes to produce testosterone?

Answer 17

FSH and LH.

Question 18

In the first half of the menstrual cycle, levels of estrogen rise and do what?

Answer 18

Make the lining of the ovaries.

Question 19

After how many days does LH come in?

Answer 19

After half the days of the regular cycle, (for ex if the cycle is 28 days it comes in after 14 days).

Question 20

What is ovulation?

Answer 20

When the egg is released from the ovary.

Question 21

When does fertilization occur?

Answer 21

Right after ovulation.

Question 22

The egg travels through what to get to the uterus?

Answer 22

The fallopian tubes.

Question 23

What prepares the uterus lining?

Answer 23

High levels of progesterone.

Question 24

What happens when a woman becomes pregnant?

Answer 24

The egg becomes fertilized by a sperm and attaches itself onto the uterine wall.

Question 25

What happens if the egg does not get fertilized?

Answer 25

It dissolves or gets absorbed into the body.

Question 26

So what’s happening when you have your period?

Answer 26

Progesterone and estrogen levels decrease and the thickened lining of the uterus is shed.

Question 27

If estrogen and progesterone levels are low, what happens?

Answer 27

FSH and LH hormones are secreted from the pituitary gland.

Question 28

If estrogen and progesterone levels are high, what happens?

Answer 28

FSH and LH secretion slows down or stops so that the ovaries don’t release another ovum.

Question 29

Hormones produced in the ovaries can affect the _______.

Answer 29

Uterus.

Question 30

Cramps are cause by what?

Answer 30

Prostaglandin.

Question 31

What is prostaglandin?

Answer 31

A hormone in the body that makes the smooth muscle in the uterus contract to shed the lining.

Question 32

MEN: FSH and LH cause the testicles to secrete _____, which are what and which secrete what?

Answer 32

Androgens which are male sex hormones that secrete testosterone.

Question 33

WOMAN: FSH causes ________ to develop.

Answer 33

Follicles.

Question 34

LH causes follicle to burst open to _______ the ovum.

Answer 34

Release.

Question 35

The pituitary gland controls what?

Answer 35

The onset of puberty.