When all the organs have formed, the embryo becomes a ____________
Provides nutrients and oxygen and removes waste products
The foetus is attached to the mother by the _________
Time from fertilisation to birth and its usually last 40 weeks
A sperm cell fuses with an ovum to form a _________
Ball of cells
Pregnancy
Zygote
Foetus
Umbilical cord
Blastocyst
Placenta