reproductive system Flashcards
__ is the process by which a single cell duplicates its genetic material.
it does this through the process of __
reproduction; mitosis
the division that produces sperms & eggs
meiosis
eggs & sperm both contain __ chromosomes.
this produces __ chromosomes in the fertilized egg
23
46
a fertilized egg
zygote
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.
testis
exocrine
endocrine
the male produces __ sperm per day.
they survive only __ in the female reproductive tract
300 million
48 hours
when you consider sperm anatomy,
the head contains __
the middle contains a lot of __ that produce ATP
the __ propels the sperm
genetic material
mitochondria
tail
the __ of the male is an out-pouching of the abdominal wall.
it contains the __.
scrotum
testes
in order to protect the sperm, the testicles must keep a temperature that is __ cooler than the normal body temperature
3 degrees
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 __
contract; closer; body heat
the semen is a mixture of __ & the secretion of the seminal vesicles, the __, and the __ glands
sperm
prostate, bulbourethral
semenal fluid is __ in color & sticky, due to the __ that provides energy for the beating __ of each sperm cell
milky; sugar; flagellum
the pH of the semen is __, which neutralizes the __ of the female vagina
alkaline; acidity
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
ovaries
exocrine
endocrine
the primary female hormones are ..
estrogen & progesterone
fertilization by a sperm may occur at any time up to __ following ovulation
48 hours
the egg is fertilized by the sperm in the __ of the fallopian tube
upper third
once fertilized, the egg implants in the __
uterus
__ 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 __
oogenesis
ovaries
puberty; menopause; 50
birth
women are born w/ approximately __ primary oocytes.
only about __ of those will become eggs
__ egg is released per __
700,000
450
1; month
__ 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.
spermatogenesis
seminiferous tubules
puberty
