Which of the following are involuntary muscles?

Smooth muscle

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Cardiac muscle

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Striated muscle

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Both A and B

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Solution

The correct option is C Both A and B
Involuntary muscle is a muscle that contracts without conscious control.
Smooth and cardiac muscles contract involuntarily i.e. they cannot be controlled. Smooth muscles are found in the walls of internal organs such as the stomach, intestine, bladder, etc. They also line the blood vessels. Cardiac muscles are found in the heart.
Therefore, the correct answer is option D.

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Similar questions

Q. Cardiac muscles are involuntary muscles.

Question 8
Which of the following types of muscle are involuntary?
(i) Striated muscle
(ii) Smooth muscle
(iii) Cardiac muscle
(iv) Skeletal muscle

(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)

Which one of the following statement is incorrect?

(a) Heart muscles are striated and involuntary

(b) The muscles of hands and legs are striated and voluntary

(d) Muscles located in the reproductive tracts are unstriated and involuntary

Fill in the blanks.

$\begin{matrix} Skeletal muscle & Smooth muscle & Cardiac muscle Movement type & i. - -------- - & Involuntary & Involuntary Structure & ii. - -------- - & Long cells with & iii. - -------- - pointed ends and uninucleate \end{matrix}$

Q. Give reasons.
(1) Food becomes acidic in the stomach.
(2) Cardiac muscles are said to be involuntary muscles.
(3) Intoxicating substances should not be consumed.
(4) Your muscles should be strong and efficient.

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