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Question: Answered & Verified by Expert
The hormone released by the pineal gland of the human brain is concerned with:
BiologyChemical Coordination and IntegrationNEET
Options:
  • A Anger
  • B Body temperature
  • C Colouration of skin
  • D Sleep
Solution:
2146 Upvotes Verified Answer
The correct answer is: Sleep
Pineal gland secretes two hormones - melatonin and serotonin. Melatonin play an important role in regulating sleep patterns (Circardian rhythms). Serotonin in neurotransmitter that allows bidirectional communication between central nervous system (CNS) and GI tract.

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