Document 7401528
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Transcript Document 7401528
Introduction
#1
A period of sexual development during
which males and females become
sexually mature and able to produce
children.
Between ages 10-15, a males
hypothalamus gland tells the pituitary
gland to send hormones to the two
testes.
Puberty
#2 Name the Changes that occur to a boy
during
puberty
1. Facial/Body
Hair
2. Deep voice
3. Larger muscles
4. Longer bones
5. Sperm production
Puberty
Structure and Function
3. The
______organs
store, nourish,
and transport
sperm cells
Internal
External
4. The _____organs produce,
store, and release sperm.
Testes/Testicles
Testes/Testicles
6. The testes have two functions. They
produce the male sex hormone___________?
Testosterone
This hormone is responsible for maturing the
reproductive organs and for the development
of a male’s secondary sexual characteristics
1. Facial hair
2.Body hair
3.Deep voice, etc.
Testes/Testicles
7. The testes also produce
________.
Sperm=Male sex cell
Scrotum
8. The testes hang outside the body
within a sac called the ___________
Scrotum
Scrotum
9. The temperature in the scrotum must be
________ than the body temperature for
sperm to form and survive.
Lower
Muscles in the scrotum move the testes
closer or farther away from the body to
maintain this temperature.
Epididymis
10. This is located on the ______of each
testis
Back
11. Sperm are stored here for ____to ____
days.
2-4
Vas Deferens
12. This serves as a tube that leads
from he epididymis to the urethra.
Vas Deferens
Vasectomy: a form of male
sterilization where the vas deferens
are cut and tied to prevent sperm
from meeting the egg.
It is a permanent form of birth
control.
Urethra
14. The urethra is a tube that carries_______ and
_______ from the body.
Urine and Sperm
It is a passageway located within the penis.
During erection, the bladder is closed so that no
urine will be eliminated during ejaculation.
Seminal vesicle
15. This organ creates a fluid that
provides ________ for active sperm.
Energy (sugar) nutrient
IT makes up the majority of semen
Cowper’s Gland
(bulbourethral gland)
Two Small pea shaped structures located
on either side of the man’s urethra and
beneath the prostate gland
Cowper’s Gland
16. The fluid from this organ________ the urethra.
Lubricates (wets)
It is sometimes called ________fluid.
Precoital
It__________ the acid of the urethra.
Neutralizes (eliminates)
17.Prostate Gland
The Fluid from the prostate gland_______the sperm as
it travels in the female reproductive tract.
PROTECTS
It neutralizes he acid of the vagina. It is also a
frequent cancer site in the older male.
*2nd most common
Penis
18. The penis is the external sex organ through
which sperm leaves the body.
19. The tip of the penis is known as the
_______.
Glans
It is covered by a ___________.
Foreskin
Penis
____________= is the removal of the foreskin.
Circumcision
Two Reasons to have it done?
1. Religious(jewish faith)
2. Health
3. Cultural
21. Bladder
This organ stores urine.
It receives urine from the
kidneys through the ureter
tube.
Other Terminology….
22. A condition in which the penis
becomes larger and firm?
Erection
23.
A fluid that is released from the erect
penis during ejaculation.
Semen
It is made up of:
Sperm
Prostate Gland Fluid
Seminal Vesicle Fluid
???= ejection of semen from the
penis??
Ejaculation
25. An ejaculation contains about
360-400 million sperm cells.
26. Once a male reaches puberty,
millions of sperm are produced
daily.
27._________= an erection and
ejaculation during sleep.
Noctural Emission
It is also called a ______?
Wet dream
28. The lifespan of sperm cell once it
leaves the penis is__________?
72 hours
29. There are two sperm types. They are
labeled as ______ and _______.
X and Y
If an X sperm cell unites with the egg, a
______ baby will occur.
Girl
If a Y sperm cell unites with the egg, a
BOY baby will occur.
30. The union of sperm and egg in order
for reproduction to occur?
Also called conception.
Fertilization
31. When a person is unable to
reproduce.
Some of the causes are
environment, stress, drugs,
mumps, etc…
Sterility