Being pregnant 1 What protects the developing embryo?

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Presentation transcript:

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?

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?

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

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.

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)

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.