Lesson 1

Question 1

is an organ system that is composed of sex organs that function together to produce offspring

Answer 1

Reproductive System

Question 2

directs the anterior pituitary gland (endocrine system) to synthesize and release hormones that, in turn, trigger the gonads (reproductive system) to start hormone and gamete production.

Answer 2

hypothalamus (nervous system)

Question 2

is an organ system that is composed of a complex network of nerve cells and nerves that transmit messages or signals to and from the brain and spinal cord to the other parts of the body.

Answer 2

Nervous System

Question 2

is a small, pea-sized gland.

Answer 2

Pituitary

Question 2

is an organ system that is composed of glands that secrete hormones, which are chemicals that serve as messengers that control and coordinate the activities throughout the body.

Answer 2

Endocrine System

Question 3

It is found at the base of the brain

Answer 3

Pituitary

Question 4

The pituitary gland is referred to as the

Answer 4

Master gland

Question 5

a structure deep in your brain, acts as your body’s smart control coordinating center.

Answer 5

hypothalamus

Question 6

Its main function is to keep your body in a stable state called

Answer 6

homeostasis

Question 7

The hypothalamus is an area of the brain that produces hormones that control

Answer 7

Body temperature
Heart rate
Hunger
Mood
Release of hormones from many glands, especially the pituitary gland
Sex drive
Sleep
Thirst

Question 8

is located just below the pelvic cavity.

Answer 8

female reproductive system

Question 9

The external part of the female reproductive organ is called the

Answer 9

vulva

Question 10

Just above the vaginal opening is a fleshy area called the

Answer 10

mons pubis

Question 11

labia, which means ?

Answer 11

lips

Question 11

The vaginal opening is surrounded by two pairs of skin flaps called the

Answer 11

labia

Question 12

The inner lips is the

Answer 12

labia minora

Question 13

the outer lips is the

Answer 13

labia majora

Question 14

a sensory organ, is located at the front of the vulva where the folds of the labia join

Answer 14

clitoris

Question 15

When a sperm cell of a male and the egg cell of a female unite, it is called

Answer 15

fertilization

Question 16

This is how human reproduce a new life.

Answer 16

fertilization

Question 17

is the organ that produces the female sex cell, the egg cell

Answer 17

ovary

Question 18

During puberty, the ovaries alternately release matured egg cell and secrete the female hormones

Answer 18

estrogen and progesterone

Question 19

brings about the development of secondary female sex characteristics such as the enlargement of the breasts, the widening of the hips, and the growth of axillary and pubic hair

Answer 19

Estrogen

Question 20

on the other hand, signals the uterus to prepare for implantation, or adherence of the fertilized egg to the inner lining of the uterus, and helps maintain pregnancy.

Answer 20

Progesterone

Question 21

The follopian tube is connected to the

Answer 21

uterus

Question 22

When the egg cell develops, it moves into the follopian tube or the

Answer 22

oviduct

Question 23

is only about 7.6 cm long in nonpregnant women, but it can greatly expand in pregnant women to accommodate the developing fetus

Answer 23

uterus

Question 24

The uterine wall is composed of layers of muscle and an inner lining called

Answer 24

Endometrium

Question 25

is a muscular tube that extends from the cervix to outside of the body that receives the semen and serves as the birth canal where the baby passes through during childbirth

Answer 25

vagina

Question 26

a cylinder-shaped neck of tissue that leads to the vagina.

Answer 26

cervix

Question 27

The opening of the vagina is covered and protected by a fold of thick skin called

Answer 27

labia

Question 28

The main reproductive organ in males are the

Answer 28

testes

Question 29

these pair of oval-shaped organs that lies outside the male's body are about 4 cm long and is covered by the scrotal sac or the scrotum.

Answer 29

testes

Question 30

the testes Play two major function:

Answer 30

The production Release of sperm and male sex hormones .

Question 31

which is produced by Leydig cells in the testes, is responsible for the development of male secondary sex characteristics such as the lengthening of the bones; the increase in muscle mass; the enlargement of the larynx, which causes the voice to deepen; and the growth of hair on different parts of the body such as on the face, underarms, and pubic area.

Answer 31

testosterone

Question 32

a tube attached to the testes. That stores sperm cells for at least 18 hours until they reach maturity.

Answer 32

epididymis

Question 33

is a thumb-sized gland that lies at the base of the urinary bladder.

Answer 33

prostate gland

Question 33

a pair of ducts that is capable of pushing the sperm through its length by a series of muscle contractions.

Answer 33

vas deferens

Question 34

The seminal fluid accompanying the sperm cells is called

Answer 34

semen

Question 35

(Bulbourethral gland) found along the urethra and below the prostate gland secretes a fluid that serves as lubricant.

Answer 35

Cowper's gland

Question 36

is a thick, whitish fluid that is mainly composed of fructose, protein, prostateglandins, Vitamin C and other substance that nourish and protect the sperm.

Answer 36

semen

Question 37

located between the rectum and the urinary bladder secretes a fluid containing fructose that serves as a source of energy of sperm cells.

Answer 37

seminal vesicle

Question 38

is the external sexual organ that is responsible for discharging semen and urine out of the male body.

Answer 38

penis

Question 39

The release of semen from the penis is called

Answer 39

ejaculation

Question 40

is involuntary as it is regulated by the autonomic nervous system.

Answer 40

ejaculation

Question 41

First ejaculation of semen

Answer 41

Semenarche

Question 42

is the male reproductive cell. It has three basic parts: head, middle piece, and tail.

Answer 42

Spermatozoa

Question 43

The head contains the haploid..

Answer 43

nucleus and the acrosome

Question 44

is a long flagellum or hair-like structure that is responsible for sperm movement.

Answer 44

the tail

Question 45

A medical condition in which sperm is not present in the semen.

Answer 45

Azoospermia

Question 46

This condition can be caused by obstruction in the male reproductive tract or poor sperm production

Answer 46

Azoospermia

Question 47

is only one of the many condition that result in infertility.

Answer 47

Azoospermia