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WAEC Biology 2020 Question 17

Question 17

Hormonal Coordination

The properties of endocrine system include the following except

  1. A.secretion of hormones.
  2. B.transportation by blood to target organs.
  3. C.having specific effect.
  4. D.release of secretions into ducts.
Show the answer and explanation

Answer: D (release of secretions into ducts.)

Explanation

Endocrine glands are ductless: they release hormones straight into the blood. Glands that pour secretions into ducts are exocrine glands.