Share chapter 4 science form 1 4.4 4.3
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What protects the foetus during pregnancy?
the amniotic fluid, amnion sac, placenta
In which position are babies are usually born?
head
Waste matter and carbon dioxide are transferred to the mother via.....
umbilical cord
How is the baby connected to the placenta?
Through the umbilical cord.
When the embryo has all the organs formed, it begins to be a ......
Foetus
When the embryo has all the organs formed, it begins to be a ......
Foetus
Where does the embryo fix?
Onto the lining of the uterus.
When an ovum is fertilised and cells start to divide and multiply it's known as....
Zygote
How many sperm can fertilise an ovum?
Just one
When sperm fuses an ovum it's known as.....
fertilisation
When does fertilisation occur?
When an ovum and a sperm meet.
How is the fetus connected to the placenta?
UMBILICAL CORD.
Where does a fetus develop?
A fetus develops in the UTERUS.
What are the stages of pregnancy after fertilization?
After fertilization, a ZYGOTE is formed, it divides into an EMBRYO, it develops systems and becomes a FETUS, and when born is a BABY.
How long is a typical pregnancy?
A typical pregnancy is 9 MONTHS (39/40 weeks)
How does the fetus recieve oxygen and nutrients?
placenta
