Multiple choice

Which of the following muscles is/are immune to fatigue?

  1. Heart muscle

  2. Thigh muscle

  3. Eye muscle

  4. Skeletal muscle

  5. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Heart muscle is a cardiac muscle. It is voluntary in structure, but involuntary in function. Thus, heart muscle is immune to fatigue.

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