reproductive system

Question 1

__ is the process by which a single cell duplicates its genetic material.
it does this through the process of __

Answer 1

reproduction; mitosis

Question 2

the division that produces sperms & eggs

Answer 2

meiosis

Question 3

eggs & sperm both contain __ chromosomes.
this produces __ chromosomes in the fertilized egg

Answer 3

23
46

Question 4

a fertilized egg

Answer 4

zygote

Question 5

in the male reproductive system, the __ is the primary sex organ.
when it produces sperms, it behaves as an __ gland.
when it produces hormones, it behaves as an __ gland.

Answer 5

testis
exocrine
endocrine

Question 6

the male produces __ sperm per day.
they survive only __ in the female reproductive tract

Answer 6

300 million
48 hours

Question 7

when you consider sperm anatomy,
the head contains __
the middle contains a lot of __ that produce ATP
the __ propels the sperm

Answer 7

genetic material
mitochondria
tail

Question 8

the __ of the male is an out-pouching of the abdominal wall.
it contains the __.

Answer 8

scrotum
testes

Question 9

in order to protect the sperm, the testicles must keep a temperature that is __ cooler than the normal body temperature

Answer 9

3 degrees

Question 10

when a male is exposed to cold, it causes the smooth muscle fibers to __, which bring the scrotum __ to the body in order to absorb __

Answer 10

contract; closer; body heat

Question 11

the semen is a mixture of __ & the secretion of the seminal vesicles, the __, and the __ glands

Answer 11

sperm
prostate, bulbourethral

Question 12

semenal fluid is __ in color & sticky, due to the __ that provides energy for the beating __ of each sperm cell

Answer 12

milky; sugar; flagellum

Question 13

the pH of the semen is __, which neutralizes the __ of the female vagina

Answer 13

alkaline; acidity

Question 14

in females, the __ are considered the primary sex organ.
when they produce eggs, they behave as an __ gland
when they produce hormones, they behave as __ glands

Answer 14

ovaries
exocrine
endocrine

Question 15

the primary female hormones are ..

Answer 15

estrogen & progesterone

Question 16

fertilization by a sperm may occur at any time up to __ following ovulation

Answer 16

48 hours

Question 17

the egg is fertilized by the sperm in the __ of the fallopian tube

Answer 17

upper third

Question 18

once fertilized, the egg implants in the __

Answer 18

uterus

Question 19

__ is the formation of the female sex cells or eggs.
this occurs in the __
this process begins at __ but ends at __ around the age of __
the total number of eggs that a woman can produce & release is determined at __

Answer 19

oogenesis
ovaries
puberty; menopause; 50
birth

Question 20

women are born w/ approximately __ primary oocytes.
only about __ of those will become eggs
__ egg is released per __

Answer 20

700,000
450
1; month

Question 21

__ is the formation of the male sex cells or sperm.
this occurs in the __ of the testes.
this process begins at __ and men can produce sperm throughout their lives.

Answer 21

spermatogenesis
seminiferous tubules
puberty