Answer in detail III — task. Science State Board, Class 8.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Briefly describe the menstrual cycle.

Answer variants:

Menstruation lasts for about \(3\) to \(5\ days\) and the inner wall of uterus again builds up

When girl reaches puberty, sex hormone is released into the blood

One mature ovum is released from one of the ovary

Causes bleeding from vagina in the female reproductive tract

If fertilisation does not occur, endometrium of the uterus sheds along with the dead ovum

Mature ovum is released into the oviduct every \(28\) to \(30\) days through ovulation

Menstruation

Maturation of ovum

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Step 8:

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19. Answer in detail III