Reproduction 4 (Development) Flashcards

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1
Q

What does the embryo look like at the start?

A

It is a BALL OF CELLS made from the fertilised eggs

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2
Q

What does the embryo look like around 1 MONTH?

A

It has a BRAIN, HEART, EYES, EARS and LEGS

Around 6mm in size

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3
Q

What does the embryo looks like around 9 WEEKS?

A

25mm long and COMPLETELY FORMED

It is now called a FOETUS

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4
Q

What does the foetus look like at 3 months?

A

Around 54 mm long

Looks more like a baby

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5
Q

What does a foetus look like at 5 months?

A

The foetus KICKS and has FINGERNAILS

160mm in size

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6
Q

What does viable mean?

A

It means that if the foetus was born now it has a decent chance of surviving

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7
Q

When is a foetus considered to be viable and likely to survive if it is born?

A

7 months onwards

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8
Q

What is a foetus?

A

An unborn baby (inside the mum still)

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9
Q

What is the placenta?

A

An organ that makes sure the foetus gets NUTRIENTS and OXYGEN from the mother and gets rid of any WASTE

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10
Q

Should mothers smoke and drink alcohol when they’re pregnant?

Why?

A

No

Smoking and drinking alcohol means HARMFUL CHEMICALS can cross the PLACENTA can harm the FOETUS and cause HEALTH PROBLEMS

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