Chapter 2 MALE REPRODUCTIVE SYSTEM
p. 15
def. GENITALS sex organs located outside the body
ex. Penis and Scrotum
def. Scrotum pouch that contains
the testes / testicles
Penis like other organs grows during puberty
Size varies but is not important to reproduction
def. FORESKIN fold of skin that covers the head of the
penis (glans)
Circumcision surgical removal of the
foreskin from the penis
usually done shortly after birth
movement
of a layer of MUSCLES below the skin in the scrotum
exposed to cold air or cold water
muscles draw close to the body
exposed to warm air or warm water
muscles relax causing the scrotum to
hang loosely
p. 16
males
begin to make sperm during puberty AND this continues till death
QUIZ
for male students on the following AND must be learned in order
Female students may take this quiz for extra credit.
THE PATH OF A SPERM
TESTICLES
made up of many coils which produce sperm
takes 60 days
EPIDIDYMIS
maturing area ( able to fertilize an
egg)
18 hours to 10 days
VAS
DEFERENS stored for a few hours to several months
SEMINAL
VESICLES
PROSTATE GLAND - both add fluids (fructose & prostaglandin)
Fluids + sperm = now called SEMEN
URETHRA
- >passage way out of the body
A muscle closes off the tube when semen enters
so a man can not urinate and release
semen at the same time
p. 17
QUIZ
- >learn the male reproductive
system for a quiz
p.18
sperm are some of the smallest living human cells
each sperm has a round like head
a thick middle part
and a long tail
once inside the female reproductive system a sperm becomes able to move its
tail
1. ERECTION
blood fills the spongy tissue
causing the penis to stiffen and extend away from the body
this usually occurs when the tip of the penis (glans) is stimulated as this\
area has many nerve endings and is very sensitive
2. EJACULATION
def. Release of semen from the penis
3. NOCTURNAL
EMISSION / Wet Dream
release of semen during sleep
wet dreams are not controllable
Normal to have and some males never has this occur
p. 19 & 20
Care and Precautions
Good
health habits
eating healthy foods
exercise
rest
cleaning the
genital area
Uncircumcised
males pull back the foreskin when bathing
will
keep bacteria from growing & causing an infection
protect these organs during vigorous
activity
wear protective cups or straps
will
keep the testes & penis from being injured
activities
include
football
baseball
basketball
hockey
soccer
lacrosse