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year 8
year 8 science: reproduction
gestation
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chiamaka ๐
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Cards (26)
what is gestation
the period of
pregnancy
(the time the baby develops)
what is intercourse
when
sperm
reaches the female
reproductive system
what is fertilisation
when the
sperm
nucleus
and
egg
join
to make a
zygote
what is the difference between intercourse and fertilisation
when the
sperm
reaches the
female reproductive system
, its intercourse but when it actually reaches the
egg
(ova) then its fertilisation
why do sperm have a lot of mitochondria
because
mitochondria
releases
energy
and it needs it to
swim
to the
egg
(
ova
)
what is a zygote
the singular cell created after
fertilisation
that later turns to an embryo
where is the ova (egg)
in the
oviduct
what are the parts of the sperm cell
flagella
,
mitochondria
(in neck),
acrosome
what are the parts of the zygote
just the
nucleus
what are the stages after zygote is created
it goes through
cell division
and later forms into an
embryo
where does fertilisation occur
it happens in the
oviduct
where is the embryo
in the
oviduct
for
3-5
days
where is the embryo supposed to be
the
uterus
how does the embryo go to the uterus from the oviduct
it travels down the oviduct and is implanted in the uterus (specifically spot between lining) this is called
implantation
what is a baby's development stages
zygote
,
embryo
,
foetus
, baby
what are the labels of the womb
umbilical cord
,
foetus
,
placenta
, uterus wall, cervix, amniotic fluid
how is the mother joined to the foetus
by an organ called the placenta
where is the placenta attached to
the wall of the
uterus
how is the foetus connected to the placenta
by the
umbilical
cord
- this is also how the mother and foetus are connected
how is the foetus protected in the womb
by
amniotic fluid
what does the amniotic fluid do
it absorbs bumps and gives room for the
foetus
to grow
what does the cervix do
connects the
uterus
to the
vagina
what does the amniotic sac do
another
layer of protection for the baby
what does the umbilical cord do
as the
foetus
grows it receives food and oxygen and has its carbon dioxide and waste taken away
how long is the gestation period
9 months
if all nutrients go to from the mother to the foetus, what should the mother do
follow a healthy
lifestyle
and diet