chapter 46

Question 1

both asexual and sexual reproduction occur in the—

Answer 1

animal kingdom

Question 2

sexual reproduction is the creation of an offspring–

Answer 2

by fusion of a male gamete and female gamete to form a zygote

Question 3

asexual reproduction is creation of—-

Answer 3

offspring without the fusion of egg and sperm

Question 4

mechanisms of asexual reproduction ex:

Answer 4

budding

Question 5

budding is a —-

Answer 5

simple asexual reproduction where a new organism develops from an outgrowth or bud on the parent organism

Question 6

many invertebrates reproduce —-

Answer 6

asexually by fission, separation of a parent into two or more individuals of about the same size

Question 7

external fertilization:

Answer 7

type of reproduction in which the sperm of a male creature fertilizes the egg of a female organism outside the females body

Question 8

external fertilization ex:

Answer 8

salmon, trout fish, cod fish

Question 9

sperm are deposited in or near the female reproductive tract, and fertilization occurs within the reproductive tract==

Answer 9

internal fertilization

Question 10

viduct//

Answer 10

philopian tube

Question 11

the male external reproductive organs=

Answer 11

scrotum and penis

Question 12

which organ is pouch that holds testes?

Answer 12

scrotum

Question 13

consist of highly coiled tubes (epididymis) surrounded bt connective tisses==

Answer 13

testes

Question 14

sperm form in these?

Answer 14

seminiferous tubules

Question 15

leydig cells are—

Answer 15

specialized cells found in the testes, specifically in the interstitial tissue between the seminiferous tubules

Question 16

leydig cells are responsible for?

Answer 16

producing androgens, primarily testerone

Question 17

from the seminiferous tubules of a testis, sperm pass into the—

Answer 17

coiled duct of the epididymis

Question 18

prostate is inferior to-

Answer 18

urinary bladder

Question 19

what does prostate produce?

Answer 19

slightly alkaline, milky or white in appearance fluid that nourishes and transports sperm

Question 20

seminal vesicle provide?

Answer 20

fructose as an energy source to the sperm

Question 21

vas deferans/

Answer 21

ductus deferans

Question 22

semen is composed of sperm plus secretions from 3 sets of accessory glands:

Answer 22

1. 2 seminal vesicles contribute about 60% of the total volume of semen
2. prostate gland secretes its products directly into the urethra thru several small ducts the 3. BULBOURETHRAL GLANDS

Question 23

BULBOURETHRAL GLANDS the prostate…..

Answer 23

prostate gland secretes its products directly into the urethra thru several small ducts the BULBOURETHRAL GLANDS

Question 24

BULBOURETHRAL GLANDS inferior to

Answer 24

prostate gland

Question 25

BULBOURETHRAL GLANDS secretes an---

Answer 25

alkaline mucus like fluid which neutralizes the acidity of the urine residue in the urethra

Question 26

BULBOURETHRAL GLANDS helps to---

Answer 26

neutralize the acidity of the vagina

Question 27

BULBOURETHRAL GLANDS provides some--

Answer 27

lubrication for the tip of the penis during intercourse

Question 28

what r 3 erectile tissues?

Answer 28

2 paired corpora cavernosa and a single corpus sponganium

Question 29

2 paired corpora savernosa and a single corpus sponganium are 2 ---

Answer 29

spongy cylinders that run along the length of the penis

Question 30

forms most of the penis and contains blood vessels that fill with blood to help make an erection===

Answer 30

corpus cavernosum

Question 31

surrounds the urethra and expands at the tip of the penis to form the glans

Answer 31

corpus sponganium

Question 32

has thinner skin covering the shaft and is more sensitive to stimulation ==

Answer 32

head of the penis or glans

Question 33

glans penis is surrounded by a fold of skin called the=

Answer 33

prepuce, or foreskin

Question 34

the female external reproductive structures include:

Answer 34

clitoris and 2 sets of labia

Question 35

vulva include:

Answer 35

labia majora, labia minora, clitoris, urethra, vagina, anus

Question 36

the female gonads/ ovaries lie in the--

Answer 36

pelvic cavity

Question 37

each ovary contains many--- which consist of a partially developed ---- called an ----

Answer 37

follicles egg oocyte

Question 38

the egg cell travels from the ovary to the uterus via an

Answer 38

oviduct/ fallopian tube

Question 39

cilia in the oviduct convey the egg to the---

Answer 39

uterus/ womb

Question 40

uterus lining=___ has many

Answer 40

endometrium has many blood vessels

Question 41

the uterus narrow at the---- then opens into the ---

Answer 41

cervix vagina

Question 42

3 layers in uterus/ womb:

Answer 42

endometrium, myometrium, perimetrium (outer layer)

Question 43

vagina is : 3

Answer 43

1. muscular but elastic chamber 2. repository for sperm during copulation 3. serves as the birth Canal

Question 44

vagina opens to the outside at the _____ which consists of the -----

Answer 44

vulva labia majora, labia minora, hymen and clitoris

Question 45

spermatogenisis is the formation of

Answer 45

sperm

Question 46

spermatogenisis is

Answer 46

continuous and prolific

Question 47

when does spermatogenisis happen?

Answer 47

from puberty until death

Question 48

spermatogenisis always began as ---

Answer 48

diploid cell and undergo meiosis 1which will resolve in 2 haploid cell

Question 49

after secondary spermatocyte undergoes meiosis 2 now we have--

Answer 49

4 haploid cells which are called spermatids

Question 50

spermatids will mature and transform into

Answer 50

sperm with help of sertoli cells

Question 51

most important cells necessary for sperm production in men?

Answer 51

sertoli cells

Question 52

sertoli= testerone=

Answer 52

sperm leydig

Question 53

spermatogenium is

Answer 53

diploid

Question 54

primary spermatocyte before meiosis 1 is

Answer 54

diploid

Question 55

secondary spermatocyte is

Answer 55

haploid and will do meiosis 2

Question 56

spermatid forms

Answer 56

spermatozoa= 4 haploid cells

Question 57

oogenis is the

Answer 57

development of a mature egg

Question 58

oogenis is a

Answer 58

prolonged process

Question 59

when does oogenis start?

Answer 59

at puberty and last until female gets menopause

Question 60

oogenis consist of 2 events that are happening at the same time:

Answer 60

meiosis 1 and 2 occurs development of follicels

Question 61

oogenis begins at the

Answer 61

fetal stage, where primordial cells will go under mitosis and become oogonium

Question 62

oogonium will develop into

Answer 62

primary oocyte, which will begin meiosis 1

Question 63

during fetal development what begins?

Answer 63

meiosis 1

Question 64

after puberty, primary oocyte complete--- which produces ------

Answer 64

meiosis 1 secondary oocyte and a first polar body that may or may not divide again

Question 65

secondary oocyte begins

Answer 65

meiosis 2

Question 66

a secondary oocyte and first polar body is

Answer 66

ovulated

Question 67

after fertilization what resumes?

Answer 67

meiosis 2

Question 68

after fertilization, meiosis 2 resumes. the oocyte splits into ---

Answer 68

an ovum and second polar body

Question 69

secondary oocyte is still?

Answer 69

haploid