1. Being pregnant 1 What protects the developing embryo?
7Bd
Being pregnant
1 What protects the developing embryo?
2 After how many weeks can the mother feel the baby move?
3 What is the job of:
a) the placenta
b) the umbilical cord?

2. Being pregnant 4 a) What does the fetus take from the mother’s blood?
7Bd
Being pregnant
4 a) What does the fetus take from the mother’s blood?
b) What does the fetus give to the mother’s blood?
5 The lungs do not work in a fetus. Why do you think this is?
6 Why does the fetus’ blood not mix with the mother’s?

3. Being pregnant 1 What protects the developing embryo? amniotic fluid
7Bd
Being pregnant
1 What protects the developing embryo?
amniotic fluid
2 After how many weeks can the mother feel the baby move?
after about 15 weeks

4. Being pregnant 3 What is the job of: a) the placenta
7Bd
Being pregnant
3 What is the job of:
a) the placenta
It gives food and oxygen to the fetus and takes away waste.
b) the umbilical cord?
It transfers food, oxygen and waste between fetus and mother.

5. Being pregnant 4 a) What does the fetus take from the mother’s blood?
7Bd
Being pregnant
4 a) What does the fetus take from the mother’s blood?
food and oxygen
b) What does the fetus give to the mother’s blood?
waste (especially carbon dioxide)

6. 7Bd
Being pregnant
5 The lungs do not work in a fetus. Why do you think this is?
The fetus gets all the oxygen from the mother’s blood, there is no air to breathe inside the uterus.
6 Why does the fetus’ blood not mix with the mother’s?
The mother’s higher blood pressure would damage the fetus.