/...
reproduction ensures a continuation of a species so a species doesn't become extinct.
nucleus of a sperm cell must fuse with a nucleus of an ovum
to form a zygote
egg + sperm cells :
gamets
g
puberty :
puberty is the time when a child's body develops and
changes ,
so that they can become capable of sexual
reproduction . Sexual organs mature In order to produce gametes .
puberty is controlled by chemical messages called hormones .
which is produced by different glands .
the most important gland is the pituitary gland which is located at the base of the brain and is the size of
a pea .
When the the specific hormones are releasedInto the bloodstream , puberty starts .
to sex to release their
travel straight the organs causing them own hormones .
hormones send messages to the brain to start the reproductive system .
piturity sex produces hormones brain
gland makes hormone organs sends messages to
start reproductive system
ovaries
testes
are
are
stimulated
stimulated
to
to
produce
produce :
:
estrogen
testosterone
3 Initiate all bodily changes during puberty.
amongst the sex
organs changing
, other changes occur which are
known as secondary (sexual) characteristics
, secondary changes in females
·
breasts start to develop that may be used for breastfeeding a baby after Chidbirth primary
public hair starts to
grow at the onset of puberty + underarm hair .
·
.
occurs monthly
menstruation in girls in a cycle .
body shape also changes due to the rising levels ofoestrogen in the body.
body odur and ache develop as more all is secreted and the smell of sweet In the body changes .
growth spurts
secondary changes in males :
·
testicle and penis size increases
hair starts to
grow on public areas .
·
voice becomes deeper as the larynx (voice box in your throat) grows . S
·
body shape changes occurs as the skeletal muscle and bones increases I n size and
shape .
body
·
odour and ache start to develop
male reproductive organs
testes two testes outside the body contained
hang and
↳
within a sac-like structure called the scrotum .
males are born with two testes hanging outside their bodies
boys testes don't produce sperm .
·
young
during puberty testes produce testosterone which then triggers
of
the production sperm .
scrotum : ensures that the testes are at a constant temperature of 35
temperature sperm is
produced
vas deferens (sperm duct) : different tubes carry the semen from the testes to the penis . The sperm duct
carries the sperm from the testes to the urethra in the penis .
penis : external sex organ
head is covered by a loose fold or skin called the foreskin .
when its removedIts called circumsision .
·
the Denis needs to be erect /stiff and hard) to be able to
go into the vagina to sperm to
the cervix during ejaculation. deposits sperm in form of somen .
reproduction ensures a continuation of a species so a species doesn't become extinct.
nucleus of a sperm cell must fuse with a nucleus of an ovum
to form a zygote
egg + sperm cells :
gamets
g
puberty :
puberty is the time when a child's body develops and
changes ,
so that they can become capable of sexual
reproduction . Sexual organs mature In order to produce gametes .
puberty is controlled by chemical messages called hormones .
which is produced by different glands .
the most important gland is the pituitary gland which is located at the base of the brain and is the size of
a pea .
When the the specific hormones are releasedInto the bloodstream , puberty starts .
to sex to release their
travel straight the organs causing them own hormones .
hormones send messages to the brain to start the reproductive system .
piturity sex produces hormones brain
gland makes hormone organs sends messages to
start reproductive system
ovaries
testes
are
are
stimulated
stimulated
to
to
produce
produce :
:
estrogen
testosterone
3 Initiate all bodily changes during puberty.
amongst the sex
organs changing
, other changes occur which are
known as secondary (sexual) characteristics
, secondary changes in females
·
breasts start to develop that may be used for breastfeeding a baby after Chidbirth primary
public hair starts to
grow at the onset of puberty + underarm hair .
·
.
occurs monthly
menstruation in girls in a cycle .
body shape also changes due to the rising levels ofoestrogen in the body.
body odur and ache develop as more all is secreted and the smell of sweet In the body changes .
growth spurts
secondary changes in males :
·
testicle and penis size increases
hair starts to
grow on public areas .
·
voice becomes deeper as the larynx (voice box in your throat) grows . S
·
body shape changes occurs as the skeletal muscle and bones increases I n size and
shape .
body
·
odour and ache start to develop
male reproductive organs
testes two testes outside the body contained
hang and
↳
within a sac-like structure called the scrotum .
males are born with two testes hanging outside their bodies
boys testes don't produce sperm .
·
young
during puberty testes produce testosterone which then triggers
of
the production sperm .
scrotum : ensures that the testes are at a constant temperature of 35
temperature sperm is
produced
vas deferens (sperm duct) : different tubes carry the semen from the testes to the penis . The sperm duct
carries the sperm from the testes to the urethra in the penis .
penis : external sex organ
head is covered by a loose fold or skin called the foreskin .
when its removedIts called circumsision .
·
the Denis needs to be erect /stiff and hard) to be able to
go into the vagina to sperm to
the cervix during ejaculation. deposits sperm in form of somen .
