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Why does menstruation occur when pregnancy does not happen?
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Answer and explanation
Correct answer: The prepared inner lining of uterus breaks and comes out
Step 1: The uterus prepares an inner lining for possible pregnancy. Step 2: If fertilisation and pregnancy do not occur this lining is not used. Step 3: It comes out with blood and is called menstruation.
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What is the correct answer to this question?
The prepared inner lining of uterus breaks and comes out
Why is this the correct answer?
Step 1: The uterus prepares an inner lining for possible pregnancy. Step 2: If fertilisation and pregnancy do not occur this lining is not used. Step 3: It comes out with blood and is called menstruation.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Reproduction.
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