A) adrenal gland
B) pineal gland
C) thymus
D) thyroid gland
Correct Answer: B
Solution :
Pineal endocrine gland is human, play a important role in the regulation of rhythm of the body. The gland secrete melatonin (skin pigment), which is derived from the amino acid tyrosine and play important role in regulation of biological/circadian rhythms. Thymus gland a epithelial origin lie on the anterior aspect of thoracic cavity and secrete thymosine hormone, which depresses neuromuscular transmission, stimulate T-lymphocytes. Adrenal gland secretes corticoids and epinephrine, nor epinephrine hormone while throxine hormone is secreted by thyroid gland.
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