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WAEC Biology 2016 Objective — Question 11

Question 11 of 50 from the West African Examinations Council (WAEC) Biology 2016 Objective paper, with the correct answer and a full explanation.

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11. Muscles act in opposite directions in order to A. cause a bone to move B. prevent dislocation at joints C. prevent muscle fatigue D. regulate bodily activities

  • A. cause a bone to moveCorrect
  • B. prevent dislocation at joints
  • C. prevent muscle fatigue
  • D. regulate bodily activities

Explanation

Muscles act in opposite directions in order to cause a bone to move. For instance, to bend the arm at the elbow, the biceps contract while the triceps relax.

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