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Pregnancy
KEy question: What is the role of the Placenta?
KEy question: What is the role of the Placenta?
Do now - answer the questions on the comapnion sheet.
Do now - answer the questions on the comapnion sheet.
Task 1 - Gestation
Task 1 - Gestation
Gestation is the period of a babies development inside the uterus between conception and birth.
All mammals have different gestation periods.
Try and match the animal to its gestation period on your companion sheet
Task 2 - Foetus development
Task 2 - Foetus development
Read through the presentation below and then create a timeline in your companion sheet to show the development of human foetus. Add pictures to the timeline to make it attractive.
Task 3 - The Placenta
Task 3 - The Placenta
The baby is linked to the mother by the umbilical cord. It gets its food and oxygen via this tube. It links to the placenta.
This is a picture of a human placenta. It is about the size of a human liver.
The placenta will pass on anything that is present in the mothers bloodstream. This includes:
Microbes and Infections
Alcohol
Drugs (both medicine and illegal)
The Diagram on the left show the exchange of substances between the mother and Foetus
Answer the questions on the companion sheet
Task 4 - Giving birth
Task 4 - Giving birth
Read through the presentation below and then complete the 'long answer' question on the companion sheet
Task 5 - research
Task 5 - research
It is common knowledge that pregnant women are advised not to smoke, drink alcohol or take illegal drugs.
Use your knowledge and the internet to explain why Doctors give this advice to pregnant women
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