ICSE BoardEnglish MediumSTD 10BiologyThe Endocrine System1 Mark
MCQ
Hormones are__________
A
Transportor
✓
Messenger
C
Receptor
D
Calibrator
✓
Answer
Correct option: B.
Messenger
(b) Messenger Explanation: Hormones are chemical substances that act as messengers in the body. They are secreted by endocrine glands and travel through the bloodstream to specific organs or tissues, where they elicit a specific response or regulate various bodily functions.
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