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Chemical Coordination and Integration
Question
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The function of pineal body is to

  • lighten the skin colours

  • control sexual behaviour

  • regulates the period of puberty

  • All of the above

Answer

D.

All of the above

The pineal gland is a small mass of tissues near the centre of the mammalian brain. It secretes melatonin hormone, a modified amino acid. It contains light sensitive cells and has nervous connections from the eyes. It also regulates sexual behaviour and period of puberty.

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