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Question

Pineal gland is located

A
On kidney
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B
In brain
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C
In pancreas
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D
Near thyroid
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Solution

The correct option is A In brain
Pineal gland, known as epiphysis, is located on dorsal side of forebrain. It is a small, rounded, stalked and reddish brown gland that resembles a pine cone. It secretes melatonin and serotonin hormone. Melatonin regulates circadian rhythm of body, pigmentation, metabolism and defence capability. Serotonin acts as a neurotransmitter and regulates functions of many organs of body like memory, sleeping, learning etc.
So, the correct answer is 'In brain'.

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