Per NCERT, which muscle type is found ONLY in the HEART — branched cylindrical fibres with single nucleus and faint striations, working tirelessly without fatigue?
ASclerenchyma
BCardiac muscles
CSkeletal muscles
DSmooth muscles
Answer & Solution
Correct answer: B. Cardiac muscles
Per NCERT §3.3.3, cardiac muscles are unique to the heart, branched + rhythmic + fatigue-resistant. The other options misclassify.
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