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Classify each of the following statements according to the cla

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Classify each of the following statements according to the class of tissue or gland it describes:

Thymosin: Secreted by epithelial cells of thymus.
Melatonin: Produced by pineal gland. Light suppresses production of this substance.
Action is on the hypothalamus: Circadian rhythm where it signals controlled by hunger and satiety.
Production levels are based on 24-hour circadian rhythm.
Inhibition of these reduces fevers and controls pain.
Aids in the differentiation of lymphocytes.

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Question Text	Classify each of the following statements according to the class of tissue or gland it describes:
Topic	All topics
Subject	Biology
Class	Class 12

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