passwella.
Menu

WAEC Biology 2019 Question 11

Question 11

Support and Movement

The heart can beat continuously without being fatigued because it is composed of

  1. A.skeletal muscles.
  2. B.smooth muscles.
  3. C.cardiac muscles.
  4. D.renal muscles.
Show the answer and explanation

Answer: C (cardiac muscles.)

Explanation

Cardiac muscle, found only in the heart, contracts rhythmically all through life without getting tired.