NCERT · Class 9 · Science · TissuesWhich muscle shows rhythmic contraction and relaxation throughout life without getting fatigued?
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Step-by-Step Solution
Cardiac muscles are involuntary, striated muscles found only in the walls of the heart, performing rhythmic contractions and relaxations continuously without fatigue.
Detailed Options Breakdown
Option : Skeletal muscle
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Tissues.
Option 1: Smooth muscle
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Tissues.
Option 2: Cardiac muscle (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Voluntary muscle
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Tissues.
💡 Study Guide: This question tests core syllabus concepts from Tissues. For formulas, key summaries, and mock exam reference guides, read the full Tissues Revision Notes.