5. • Puberty is the time when our bodies change from a child’s
body to an adult body.
• While both girls and boys go through puberty, Girls
develop breasts and start their periods.
• Boys develop a deeper voice and facial hair will start to
appear & start to make sperm cell.
• Girls reach puberty and sexual maturity at earlier ages
than boys do.
• Boys tend to start puberty around a year later than girls.
This means that boys may be shorter than girls of a
similar age for 1 to 2 years.
6. When do changes
happens?
• Puberty usually occurs in boys between
the ages of 8 and 14
• No age is better than any other one
• For some most changes happen in a few
years
• For some changes happens slowly over
lots of years
• Most boys will stop growing taller by age
16 and will usually have developed fully by
18.
7.
8. 1. Body
Growth
• One major change you may notice
is growing faster than you did
during childhood.
• First, you may notice your feet,
hands, nose, jaw getting bigger.
• Next, the arm and leg bones grow,
making you taller. You may gain
some weight to match the increase
in your bone size and Get more
muscles
• Some boys may get some swelling
in the breast area. This is a result
of the hormonal changes that are
happening. This is common among
teenage boys and is often a short-
term or temporary condition.
9. 2.Deepening of voice
• It happens in both boys and girls, but
the change is more evident in boys.
• goes through puberty, the larynx gets
bigger and the vocal cords lengthen
and thicken, so his voice gets deeper.
• Along with the larynx, the vocal cords
grow significantly longer and become
thicker. In addition, the facial bones
begin to grow.
• the change can happen anywhere
between the ages of 10 and 15.
10. 3. Appearance of facial hair, Body hair
& pubic hair
• Growing hair in new places
because hormones are telling your
body that it is ready to change
• Some boys will start to notice
hair growing on their face around
the chin, on the cheeks, and
above the lip (age 11–15).
• Also, hair grows on the chest,
the armpits, and even down there
in the pubic region.
• The hair then becomes darker and
coarser as it continues to spread.
• The pubic hair eventually looks
like adult hair, but in a smaller
area. It may spread to the thighs
and sometimes up the stomach.
11.
12. 4. Mood Swings
• Mood swings are a normal part
of puberty
• For example, sometimes your
mood will swing between feeling
confident and happy to feeling
irritated and depressed in a
short span of time.
• occur due to shifting levels of
hormones in your body and
other changes taking place
during puberty.
13. 5. Body Sweat
• The increase in various
hormones during puberty
makes the body's sweat
glands more active and they
produce more sweat.
6. Skin changes
- Acne because of the
hormone changes and The
pores in your skin produce
more oil, especially on your
face.
14. 7. Increase in size of genitals
• In boys, the first puberty change is the enlargement of the
scrotum and testes. At this point, the penis does not enlarge.
• As the testes and scrotum continue to grow, the penis grows.
• The key stages of development of the genitals for boys:
• after 1 year of puberty, the penis and testicles begin to grow in
size
• the genitals continue to grow for a further 1 to 2 years
• around 4 years after puberty begins, the growth of the genitals
should be complete
15. 8. ERECTION AND EJACULATION
• As the penis enlarges,
the teen boy may begin
to have erections.
• This is when the penis
becomes hard and erect
because it is filled with
blood.
• Erections can go away
on their own or after
ejaculation, the release
of semen through the
urethra, the small hole
at the tip of the penis.
16. • This is due to hormonal
changes and may happen
when the boy fantasizes
about sexual things. Or
it may happen for no
reason at all. This is
normal.
• During puberty, a boy's
body also begins making
sperm.
• Semen, which is made
up of sperm and other
body fluids, may be
released during an
erection. This is called
ejaculation.
17. • Sometimes this may
happen while the teen
is sleeping.
• If wakes up and finds a
wet sticky spot on
your pajamas, semen
came out when you was
sleeping. This is called
nocturnal emissions or
“ WED DREAM”
• Once sperm is made
and ejaculation happens,
teen boys who have sex
can get someone
pregnant.
• Some boys have wet
dreams and some don’t
• each time a man
ejaculates he releases
nearly 100 million
sperm.
20. When you started to have all this sign :
• Your best bet is to take a bath or
shower every day and after
exercising or getting hot.
• to prevent unpleasant smell.
• Try to find a deodorant
to prevent the smelly
of your body.
• Brush your teeth at least twice a day and
floss every day.
This will help prevent bad breath and cavities.
21. • As the hair grows on your face,
you may want to shave it.
Ask a parent or other trusted
adult how to use a razor.
The razors are sharp and can cut
you if you are not careful.
Be careful when using a razor.
• Choose underwear that is
comfortable for you.
- Some boys like boxer shorts
because they are easy
to put on and take off.
-Other boys like briefs because they
feel more supported when walking, running,
or jumping around.
-Try different kinds of underwear
until you find the ones that are right for you.
Avoid sharing shaving blades to
avoid get infection.
22. • Do spend good time on
playground, GYM, exercise/play
sports are very important
for physical & metal development.
• Since a growing body needs food,
you will often be hungry.
Eating a balanced diet
that includes all food groups and
being physically active are
important to your health.
• Avoid things that are harmful
to your body like smoking,
alcohol and drug.
