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Reproduction

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It is the size of a walnut

What do the seminal vesicles do?
It secretes a sugar rich fluid that nourishes sperm

What is the purpose of the cowpers glands?
It neutralizes any acid left from urine in the urethra
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How long does it take to produce mature sperm?
9 weeks

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What happens to semen as soon as it enters the vagina? Why does it do this?

The sperm coagulate to not be killed as easily
How many sperm die immediately upon entering vagina? Why?

1 fourth die because of the acids from urine in the vagina
How long can sperm live in the woman’s reproductive tract?
Up to 7 days

1What does the cervix produce during ovulation to aid the sperm?

A hormone that makes the substance that blocks it more liquidy for sperm to pass through

How many sperm reach the egg?

About 50
What are some major barriers to fertilization? (ie what prevents sperm from getting to the egg?)

The female body sees them as a threat and tries to kill them, sperm try to fertilize normal cells, 50% go
the wrong tube
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Why do sperm swim in dense bunches?
It boosts their success rate of making it to the egg


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At what month of development can a fetus hear sound?
4th month
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Look on schoology because i can’t get it to convert to anything besides PDF
b)​ ​Explain how an erection occurs
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Include drawing cross
section of penis
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Sperm
Seminal vesicle fluid
Prostate gland fluid
Bulbourethral fluid

d) List the path of sperm from formation to ejaculation
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Testes
Epididymis
Vas deferens
Seminal vesicle
Ejaculatory duct
Prostate gland
Bulbourethral
Urethra

Female reproductive system

a)​ ​Include female diagram
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Once again could not get the PDF to work, go to schoology
b)​ ​List the 4 hormones that play a role in the menstrual cycle and how they change during each phase of
menstrual cycle
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White blood cells attack the sperm
The sperm bonds with regular cells instead of eggs
Acids in the Vagina kill the sperms

● Sperm swim down the wrong fallopian tube
● Sperm are already deformed and will never be able to fertilize an egg
● Some sperm die when they hit the vagina
d)​ ​Include menstrual cycle handout
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​ ​Birth control

In a vasectomy, the male’s urethra is cut, this prevents the sperm from joining with the other
components of semen and exiting the penis
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​ ​Twins
a)

Explain the differences between identical and fraternal twins

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