chapter 32

Question 1

What is responsible for developing sperm?

Answer 1

male reproductive system

Question 2

What are considered the primary organs of the male reproductive system because they produce male sex cells.

Answer 2

Testes

Question 3

What also produces the male hormone testosterone?

Answer 3

Testes

Question 4

Most males have how many testes?

Answer 4

two

Question 5

most males have two testes that are held just below what?

Answer 5

the pelvic cavity in the scrotum

Question 6

during the fetal stage the testes develop in what?

Answer 6

abdominal cavity of the fetus.

Question 7

when do the testes descend into the scrotal sac located just below the pelvic cavity?

Answer 7

shortly before or soon after birth.

Question 8

What begins the process of making sperm cells?

Answer 8

Spermatoogenic cells of the seminiferous

Question 9

the sperm cells do not mature until they travel to the…

Answer 9

epididymis

Question 10

What is the process of sperm cell formation?

Answer 10

Spermatogenesis

Question 11

Where is the epididymis located?

Answer 11

on top of each testis.

Question 12

what happens inside the epididymis?

Answer 12

spermatids mature to become sperm cells.

Question 13

What tube is coneccted to each epididymis?

Answer 13

Vas deferens

Question 14

what tubes carry sperm cells from the epididymis to the urethra in the male pelvic cavity?

Answer 14

Vas deferens

Question 15

what tube is are cut and tied on a male, or fulgurated, called a vasectomy, to prevent sperm from reaching the ovum.

Answer 15

Vas Deferens

Question 16

___ ___ are sac-like organs that secrete an alkaline siminal fluid that is rich in sugars and prostaglandins..

Answer 16

Seminal vesicles

Question 17

what release their product into the vas ddeferns just before ejaculation.

Answer 17

seminal vesicles

Question 18

what makes up approximately 60% of semen volume?

Answer 18

seminal fluid

Question 19

the muscular ____ ___ surrounds the proximal portion of the urethra.

Answer 19

prostate gland

Question 20

what makes up about 40% of semen volume?

Answer 20

prostatic fluid

Question 21

during ejaculation, the muscular contractions of the ___ help expel semen

Answer 21

prostate.

Question 22

What is a mixture of sperm cells and fluids from the seminal vesicles, prostate gland, and bulbourethral glands.

Answer 22

Semen

Question 23

a normal sperm count is more than…

Answer 23

80 million

Question 24

what are the two male external reproductive organs?

Answer 24

scrotum & penis.

Question 25

what is a pouch of skin that holds the testes?

Answer 25

scrotum

Question 26

what holds the testes away from the rest of the body, keeping their temperature about one degree lower than the rest of the body, which is necessary for the viability of the sperm?

Answer 26

Scrotum

Question 27

What is a cylindrical organ that moves urine and sperm out of the body?

Answer 27

penis

Question 28

at the end of the penis is enlarged into a cone shaped structure called the ___ ___.

Answer 28

glans penis

Question 29

what functions in urination because it contains the urethra, which drains urine from the bladder?

Answer 29

the penis

Question 30

what secretes hormones that regulate male reproductive functions?

Answer 30

the hypothalamus, the anterior gland, and the testes

Question 31

the hypothalamus release a hormone called?

Answer 31

gonadotropin releasing hormone (GnRH)

Question 32

GnHR stimulates the anterior pituitary gland to release...

Answer 32

(FSH) follicle-stimulating hormone, and (LH) lutenizing hormone

Question 33

what causes spermatogenesis to begin?

Answer 33

FSH Follicle-stimulating hormone.

Question 34

What stimulates interstitial cells to produce testosterone?

Answer 34

LH lutenizing hormone

Question 35

what is responsible for the development of male secondary sex characteristics that are typically unique to males.

Answer 35

testosterone

Question 36

what also stimulates the maturation of male reproductive organs?

Answer 36

testosterone

Question 37

what are considered the primary female sex organs ?

Answer 37

The ovaries

Question 38

the ovaries are considered the primary females sex organs because they produce the female sex cells called...

Answer 38

ova

Question 39

what do the ovaries also produce?

Answer 39

estrogen and progesterone.

Question 40

what are the female hormones?

Answer 40

estrogen and progesterone

Question 41

how many ovaries do most females have?

Answer 41

two

Question 42

Where are the ovaries located?

Answer 42

in the pelvic cavity

Question 43

what shape are ovaries?

Answer 43

oval

Question 44

what are the female reproductive internal accessory organs?

Answer 44

fallopian tubes, uterus, and vagina

Question 45

what is also called a oviduct?

Answer 45

a fallopian tube.

Question 46

what opens near each ovary, and yhe other end connects to the uterus?

Answer 46

fallopian tubes.

Question 47

what is the fringed, expanded end of the fallopian tube near an ovary called.

Answer 47

infundiubulum

Question 48

the infundibulum ends in ___ or finger-like projections.

Answer 48

fimbriae

Question 49

what "catches" and ovum as it leaves an ovary?

Answer 49

the infundibulum and fimbriae

Question 50

what is a hollow, muscular organ that recieves a developing embryo and sustains its development?

Answer 50

uterus

Question 51

what is the upper domed portion of the uterus called?

Answer 51

fundus

Question 52

what is the main portion of the uterus called?

Answer 52

the body

Question 53

what is the narrow, lower portion that extends into the vagina called?

Answer 53

cervix.

Question 54

what is the opening of the cervix called?

Answer 54

the cervical orifice

Question 55

the wall of the uterus has three layers which are the..

Answer 55

endometrium, myometrium, and perimetrium

Question 56

what is the innermost lining of the uterus

Answer 56

endometrium

Question 57

what is vascular with a rich blood supply and also contains numerous tubular glands that secrete mucus?

Answer 57

the endometrium

Question 58

what is the middle, thick, muscular layer of the uterus?

Answer 58

myometrium

Question 59

what is a thin layer that covers the myometrium, and secretes serous fluid that coats and protects the uterus?

Answer 59

perimetrium

Question 60

what is a tubular, muscular organ that extends from the uterus to the outside of the body?

Answer 60

the vagina

Question 61

what is the muscular folds of the vagina?

Answer 61

the rugae

Question 62

the rugae, the muscular folds of the vagina, allow it to...

Answer 62

expand to recieve and erect penis during sexual intercourse, and to provide a passageway for delivery of offspring as well as for uterine secretions.

Question 63

the opening of the vagina to the outside is known as the..

Answer 63

vaginal os, the vaginal orifice, or the vaginal introitus

Question 64

the female external genitalia, collectively known as the vulva, include the following structures...

Answer 64

mons pubis, labia majora, labia minora, clitoris, urethral meatus, vaginal orifice, bartholins glands, and perineum

Question 65

what are rounded folds of adipose tissue and skin that protect the other external female reproductive organs?

Answer 65

the labia majora

Question 66

what are typically covered in pubic hair in post-pubescent females

Answer 66

the labia majora

Question 67

what are folds of the skin between the labia majora? they are pinkish in color because of their high degree of vascularity. they merge together anteriorly to form a hood over the clitoris.

Answer 67

the labia minora

Question 68

sometimes referred to as the vestibular glands, secrete mucus into this area during sexual arousal

Answer 68

the Bartholin's glands

Question 69

what is anterior to the urethral meatus. it contains the female erectile tissue and is rich in sensory nerves

Answer 69

clitoris

Question 70

what is the area between the vagina and the anus? this area that is sometimes "clipped" during the birth process, in a procedure known as an episiotomy.

Answer 70

perineum

Question 71

spermatgonia contains 46 chromosomes

Answer 71

these cells undergo mitosis , and the resulting cells are called primary spermatocytes. which also contain 46 chromosomes.

Question 72

the testis are one degree lower than the body temperature

Answer 72

,mn,