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The secretions of endocrine glands are released directly

A. into the skin surface

B. into the blood stream

C. into a gland duct

D. into the brain tissue

Correct Answer : B.


On the basis of the mode of pouring of secretion, gland are divided into (a) exocrine, and (b) endocrine glands. Exocrine glands secrete mucus, saliva, oil, digestive enzymes and other cell products. These products are released through ducts or tubes. In contrast, endocrine glands do not have ducts. Their products called hormones are secreted directly into the fluid bathing the gland.

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