Question

The muscular tissue which functions throughout the life continuously without fatigue is:

• A. Skeletal muscle
• B. Cardiac muscle
• C. Smooth muscle
• D. Voluntary muscle

Answer 1

The correct option is B

Cardiac muscle

The correct answer is option B.

Explanation of the correct option:

1. The cardiac muscle is an involuntary striated muscle that exclusively exists in the heart's walls.
2. They are the muscles that attach to the bones and allow us to move and operate in a variety of ways.
3. The cardiac muscles have faint cross-striations that do not become exhausted under normal conditions.
4. These are elongated, cylindrical, and uninucleate.

Explanation of the incorrect options:

Option A :

1. Skeletal muscles attach to our bones and allow us to move and operate in a variety of ways.
2. Fibers are striated, tubular, and multinucleated.

Option C:

1. The smooth muscle usually covers the walls of internal organs.
2. Fibers are non-striated, spindle-shaped, and uninucleated.

Option D:

1. Skeletal muscles that attach to bones and can be deliberately triggered to control movement are known as voluntary muscles.
2. They are cylindrical, long, and unbranched-shaped muscles.

Final answer: The muscular tissue which functions throughout life continuously without fatigue is the cardiac muscle.