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JAMB Biology 1998 Question 17

Question 17

Transport in Animals

The heart of the adult frog consists of

  1. A.two auricles and two ventricles
  2. B.one auricle and one ventricle
  3. C.two ventricles and one auricle
  4. D.one ventricle and two auricles.
Show the answer and explanation

Answer: D (one ventricle and two auricles.)

Explanation

Amphibians have a three-chambered heart: two auricles (atria) and one ventricle.