Biology - Chemical Coordination and Integration Question with Solution | TestHub
BiologyChemical Coordination and IntegrationThyroid GlandEasy2 minPYQ_2026
BiologyEasysingle choice
Calcitonin is secreted by the __________.
Options:
Answer:
B
Solution:
Calcitonin is a peptide hormone secreted by the parafollicular cells (also known as C cells) of the thyroid gland.
It plays a role in regulating calcium levels in the blood by decreasing it, which opposes the action of the parathyroid hormone (PTH) secreted by the parathyroid gland.
The thymus gland secretes thymosins, and the adrenal medulla secretes catecholamines like epinephrine and norepinephrine.
Answer: thyroid gland
Stream:MHT_CET_MEDICALSubject:BiologyTopic:Chemical Coordination and IntegrationSubtopic:Thyroid Gland
⏱ 2mℹ️ Source: PYQ_2026
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