Gujarat BoardEnglish MediumSTD 9ScienceModel Paper 41 Mark
MCQ
Branched involuntary muscles fibres are found in
A
ureters
B
limbs
✓
heart
D
tongue
✓
Answer
Correct option: C.
heart
(c) heart Explanation: Involuntary muscles are found in walls of hollow tubular organs like an alimentary canal, ducts of glands, urogenital ducts, and blood vessels except the heart. They show slow contractions but remain contracted for a long period of time.
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