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

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Presentation on theme: "Being pregnant 1What protects the developing embryo? 2After how many weeks can the mother feel the baby move? 3What is the job of: a) the placenta b) the."— Presentation transcript:

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

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

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

4 Being pregnant 3What 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. 7Bd

5 Being pregnant 4a) 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

6 Being pregnant 5The 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. 6Why does the fetus’ blood not mix with the mother’s? The mother’s higher blood pressure would damage the fetus. 7Bd


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