alleryHormones travel from an endocrine gland to their target organ through:
AThe blood circulation
BTiny ducts in tissues
CThe nervous system only
DThe lymphatic system mainly
Answer & Solution
Correct answer: A. The blood circulation
1. Endocrine glands have no ducts.
2. They release hormones directly into the **bloodstream**.
3. Blood carries each hormone to its target organ where it acts.
4. Nerves carry electrical signals (not hormones); lymph is for fluid drainage and immunity.
_Source: Selina Concise ICSE Class 8 Biology Ch 5 "Endocrine System and Adolescence", Key definitions_
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