Which one of the following pairs of organs includes only the endocrine glands
A. Parathyroid and adrenal
B. Pancreas and parathyroid
C. Thymus and testes
D. Adrenal and ovary

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1 Answers

Correct Answer - A
The endocrine glands have no ducts and their secretions get absorbed into the immediate surrounding blood circulation to reach the specific organs to initiate a particular metabolic change e.g., thyroid, parathyroid, adrenal thymus.

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