REPRODUCTION
fetal development
Fertilisation
changes sex hormones cause
female sex cell
ovulation
implantation
it is the discharge of ova or ovules from the ovary
male sex cell
placenta
amniotic fluid
female reproductive system
menstrual cycle
male reproductive system
umbilical cord
girls
boys
reproduction is one of the seven
fusing the nucleus of a male sex cell with an egg cell to create a new life.
the cells form a ball and it settles into the wall of the uterus
egg cells
it is a cell at is needed for fertilisation to happen. Stored in ovaries. If it is not fertilised, dies after 24hrs
uterus
ovary
oviduct
vagina
sperm cell
has a streamlined head and long thin tail-helps to move quickly
penis
sperm ducts
testes
where the sperm enters
where baby develops
where eggs are stored
tube that the egg flows when it has matured
where sperm is made
where sperm is spurted out
sperm is pumped along this
both
hair on legs
growth spurt
hair grows underarm and pubic region
breast develop
hips widen
period starts
uterus develop
penis grows
voice deepens
hair grows on face
sperm is produced
carries blood from the fetus to placenta and back again
growth of the fetus in the womb
lets molecules move between the mother and the fetus' blood
fluid that protects the fetus, and lets it move
occurs every month, a repetitive sequence of events that prepares the womb to receive fertolised egg
- bleeding (day 1)
- uterus lining builds up
- egg released(day 14)
- fertilised- period stop, unfertilised- continue
- lining breaks down(day 28)