Chapter 24

Question 1

Seminal Vesicles secrete?*****

Answer 1

60% of seminal fluid.

Question 2

What does seminal vesicles contain?*****

Answer 2

fructose that nourishes sperm

Question 3

Prostate gland secretes?**

Answer 3

30% seminal fluid

Question 4

What does the prostate gland contain?****

Answer 4

enzymes that activate the sperm

Question 5

What does the bulbourethra gland secrete? *****

Answer 5

5% seminal fluid

Question 6

What does the bulbourethra gland wash away?*****

Answer 6

residual urine in the urethra.

Question 7

Seminal fluid + sperm =

Answer 7

semen

Question 8

spermogensis is produced in the?

Answer 8

seminiferous tubules.

Question 9

Where to sperm mature?

Answer 9

epididymis

Question 10

What does the acrosome contain?

Answer 10

enzymes which enable sperm to penetrate egg.

Question 11

The middle piece of a sperm has increased?

Answer 11

mitchondria

Question 12

How many chromosomes must you have to be close normal?

Answer 12

46

Question 13

Meiosis is?

Answer 13

nuclear division of gametes (sex cells)

Question 14

46 is the

Answer 14

diploid number

Question 15

23 is the

Answer 15

haploid number

Question 16

the 23rd chromosome is the

Answer 16

sex chromosome

Question 17

What is crossing over?

Answer 17

When an exchange of genetic material is done.

Question 18

Surrounding the seminiferous tubules are?***

Answer 18

interstitial cells that produce testosterone.

Question 19

Sustentacular cells >

Answer 19

nourish the sperm

Question 20

it takes 12 to 16 days for sperm to?

Answer 20

mature

Question 21

What propels sperm from the epididymis to the urethra?

Answer 21

Ductus deferens & ejaculatory duct

Question 22

LH and FSH are *****

Answer 22

sex hormones that comes from the anterior pituitary

Question 23

LH stimulates? ****

Answer 23

interstitial cells to produce testosterone

Question 24

FSH stimulates? ****

Answer 24

sperm cell formation

Question 25

1st follicle- 2nd follicle- 3rd follicle-

Answer 25

1st oocyte 2nd oocyte releases 2nd oocyte (graafion follicle)

Question 26

What does the corpus luteum secrete?

Answer 26

progestrone

Question 27

What does progesterone do?

Answer 27

maintains endometrium

Question 28

Corpus albicans >

Answer 28

scar tissue

Question 29

Name the lining's on the uterus

Answer 29

endometrium(inner) myometrium (middle)-muscle perimetrium (outer)

Question 30

********Fertilization is the joining of?

Answer 30

a sperm cell & a secondary oocyte to form a zygote

Question 31

******* A embryo is the developing human between the time of?

Answer 31

fertilization & 8 weeks

Question 32

A fetus is the development of a human between the time of? *******

Answer 32

8 weeks to birth

Question 33

What is the vagina lined with?

Answer 33

moist stratified squamous epithelium

Question 34

Breast's >

Answer 34

produce milk are exocrine glands have ducts

Question 35

FSH & LH stimulate's the ovaries to produce?

Answer 35

gamete

Question 36

Estrogen stimulates the?

Answer 36

uterine cycle

Question 37

Progesterone goes down with the?

Answer 37

shedding of the lining of the uterus.

Question 38

What are the menstrual cycle phases?

Answer 38

Menstrual phase- endometrium shedding 1-5 weeks Proliferation phase- endometrium rebuilds 6-14 weeks Secretory phase- endometrium prepares for embryo 14 to 28 weeks

Question 39

LH surge is responsible for?

Answer 39

stimulating ovulation

Question 40

Prolactin stimulates the production of?

Answer 40

milk

Question 41

Oxytocin is responsible for?

Answer 41

contraction and milk let down

Question 42

When a sperm penetrates an egg is completes?

Answer 42

mitosis II

Question 43

Where does fertilization take place?

Answer 43

the fallopian tube.

Question 44

Morula >

Answer 44

solid ball of cells 16-32 cells

Question 45

Blastocyte=

Answer 45

has cavity -enters uterine cavity

Question 46

The gastrula has 3 germ layers what are they?

Answer 46

ectoderm endoderm mesoderm