Multiple choice

What are harmones?

  1. Active chemical substance in the body secretions of ductless glands.

  2. Thread shaped bodies.

  3. Organic compound.

  4. None of these
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A Correct answer
Explanation

Hormones are chemical messengers produced by endocrine glands and secreted directly into the bloodstream. They regulate various bodily functions including metabolism, growth, reproduction, and mood. Unlike exocrine glands, endocrine glands are ductless.

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