Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
90 Cards in this Set
- Front
- Back
|
When does human reproductive system become fully functional?
|
Puberty
|
|
|
What is the function of the male penis?
|
deliver sperm to female vagina
|
|
|
What is the function of the female vagina?
|
transports menstral fluid to the exterior & is the birth canal
|
|
|
primary male sex organ
|
testes
|
|
|
name the sac that surrounds the testes
|
scrotum
|
|
|
purpose of the epididymis
|
store sperm
|
|
|
sperm leaves the epididymis and travels through the ....
|
vas deferens
|
|
|
why's the urethra part of both the urinary and reproductive systems?
|
passes through the penis & transports sperm to the outside of the body
|
|
|
describe the prostate gland
|
small, donut-shaped gland. surrounds upper portion of the urethra
|
|
|
what is the pH of seminal fluid? is it acidic or basic?
|
about 7.5 (basic)
|
|
|
name the sugar in seminal fluid
|
fructose
|
|
|
why's there sugar in seminal fluid?
|
give sperm energy
|
|
|
what do the postaglandin's in semen do? what is the purpose of this?
|
causes the uterus to contract . to help the sperm reach the egg
|
|
|
where do testes develop?
|
abdominal cavity
|
|
|
when do testes descend into the scrotum?
|
last 2 months of fetal development
|
|
|
if a male's testes don't drop, why will they stay sterile?
|
temperature of internal body if too high to produce viable sperm
|
|
|
three parts of a sperm
|
head, middle, tail
|
|
|
what's stored in the acrosome?
|
enzymes (needed to penestrate egg)
|
|
|
the normal male ejaculation contains how many sperm cells?
|
several hunderd million
|
|
|
how long do sperm usually survive in the femal reproductive tract?
|
up to 48 hours
|
|
|
how long would the epididymis be in uncoiled?
|
6 meters
|
|
|
when do sperm start to swim?
|
when they enter the vagina
|
|
|
what do the seminal vesicles produce?
|
fructose and prostglandis
|
|
|
whats the purpose of the bulbourethral glands?
|
lubricates end of penis to prepare for sexual intercourse
|
|
|
how does Viagra work?
|
inhibits an enzyme that breaks down cGMP (ensures full erection will take place)
|
|
|
what might be a side effect of Viagra?
|
vision problems
|
|
|
how many sperm could be in a 3.5mL of ejactulate?
|
400 million
|
|
|
Does the levels of testosterone in males fluctuate or stay the same most of the time?
|
same most of the time
|
|
|
4 secondary sex characteristics
|
1) pattern of male hair growth
2) activity of cutaneous glands 3) pitch of voice 4) muscle growth |
|
|
3 ways testosterone makes males and females different
|
1) greater muscular strength
2) pubic hair tapers down toward naval 3) grows beard |
|
|
primary female sex organ
|
ovaries
|
|
|
2 things ovaries do
|
produce eggs & hormones
|
|
|
egg released from ovary goes to ....
|
fallopian tubes
|
|
|
egg is fertilized in ....
|
uterus
|
|
|
implantation is
|
attatchment of embryo to uterus wall
|
|
|
wheres the embryo and fetus develop?
|
uterus
|
|
|
lining of uterus
|
endometrium
|
|
|
from where does the placenta develop?
|
endometrium
|
|
|
what can be found at the lower end of the uterus
|
cervix
|
|
|
at what angle does the cervix enter the vagina
|
right angle
|
|
|
another name for vagina
|
birth canal
|
|
|
what happens during menstration if fertilization of implantation does not occur?
|
endometrium is shedded
|
|
|
state the collective name for the female genital organs?
|
vulva
|
|
|
# of ovaries
|
2
|
|
|
what holds ovaries in place
|
several ligaments
|
|
|
name for immature egg
|
oocyte
|
|
|
is a female born with all of her eggs?
|
yes
|
|
|
how many eggs ever mature?
|
400
|
|
|
whats oogenesis?
|
production of eggs
|
|
|
how many chormosomes does an egg have?
|
23
|
|
|
a zygote has __ chromosomes
|
46
|
|
|
2 names for uterin tubes
|
fallopian tubes
oviducts |
|
|
how does an egg move into uterine tubes?
|
fimbrae sweep over ovary at time of ovulation. suction is formed by beating of cilia
|
|
|
describe ectopic pregnancy
|
outside uterus
|
|
|
3 parts of uterus
|
fundus, body, cervix
|
|
|
normal width of uterus ... width when stretched by baby
|
5 cm - 30 cm
|
|
|
describe pap smear
|
removal of cells from from region of cervix
|
|
|
whats a hysterectomy?
|
removal of uterus
|
|
|
whats meant by "clitoris is homologous to the penis?"
|
clitoris has a shaft and is capped by pea-shaped glands
|
|
|
does the vagina produce fluids? why?
|
yes - lubrication
|
|
|
clitoris can swell ______ times its normal size
|
2-3
|
|
|
whats estrogen do?
|
stimulates growth of uterus/vagina, necessary for egg maturation & development of secondary sex characteristics
|
|
|
female secondary sex characteristics
|
1) pattern of body hair
2) fat distribution 3) enlarged pelvic girdle 4) breast development |
|
|
whats required for breast development
|
estrogen & progeterone
|
|
|
how longs the menstral cycle? range?
|
28 days .... 18-40
|
|
|
whats mensus
|
flow of blood & tissues
|
|
|
describe menopause
|
period in a woman's life during which the menstrual cycle ceases
|
|
|
age of menopause
|
45-55 years old
|
|
|
at what time will women not be able to have children
|
menstration's been absent for 1 year
|
|
|
symptoms of menopause
|
"hot flashes"
dizziness headaches insomnia sleepiness depression |
|
|
each breast contains how many lobules?
|
15-25
|
|
|
describe the areola
|
pigmented area surrounding nipple
|
|
|
why would a newborn secrete milk the first couple days of their lives?
|
hormones affect child
|
|
|
if a baby does not suckle its mothers breast, will it produce milk?
|
no
|
|
|
hows birth control pills work?
|
combination of estrogen & progesterone shut down production of FSH & LH so no folicle develops in ovary
|
|
|
whats IUD?
|
intrauterine device
|
|
|
hows IUD's work
|
inserted in uterus - disturbs environment of uterus & uterine tubes so implantation/fertilization cant occur
|
|
|
whers a diaphragm lodge?
|
behind pelivc bone, fits over cervix
|
|
|
used in conjunction with diaphragm
|
spermicidal jelly
|
|
|
diaphragm is left in for ___
|
6 hours after sex
|
|
|
used in conjunction with condom
|
spermicide
|
|
|
hows contraceptive implants work
|
disrupt events of menstral cycle
|
|
|
how often should you get contraceptive injections?
|
3 months -> few weeks
|
|
|
what types of vaccines are being developed?
|
contraceptive
|
|
|
morning after pill works by ..
|
upsets normal uterine cycle so embryo cant implant itself
|
|
|
infertility
|
no pregnancy aftr 1 year of regular, unprotected sex
|
|
|
normal cause of infertility
|
low sperm count
|
|
|
endometriosis
|
uterine tissue grows on outside uterus
|
|
|
artificial insemination
|
sperm placed in vagina by physician
|
|
|
what is In Vitro Fertilization
|
immature eggs are matured in a lab, sperm is added, 2-4 days later the embryo is placed in uterus
|
