Hormones are secreted by:
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Correct Answer: Option D
Detailed Explanation:
Endocrine glands (such as pituitary, thyroid, adrenal glands) secrete hormones directly into the bloodstream to regulate body functions.
Exocrine glands (like sebaceous and sweat glands) release substances through ducts, not into the blood, so they do not secrete hormones.
Question 1 of 2 Endocrine System
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Pituitary gland is located in
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