Give reason:Cardiac muscles are said to be involuntary muscles.

1.	Give reason:Cardiac muscles are said to be involuntary muscles.
Answer» 1. Cardiac muscles are found in the heart. 2. These muscles bring about the contraction and relaxation (beating) of the heart. 3. Their movement is involuntary. 4. Cardiac muscles cause our heart to relax and contract continuously at a rate of about 70 times per minute. They do not depend upon our will. 5. Beating is carried out in their own fixed manner. So cardiac muscles are said to be involuntary muscles.

Answer»

1. Cardiac muscles are found in the heart.

2. These muscles bring about the contraction and relaxation (beating) of the heart.

3. Their movement is involuntary.

4. Cardiac muscles cause our heart to relax and contract continuously at a rate of about 70 times per minute. They do not depend upon our will.

5. Beating is carried out in their own fixed manner.

So cardiac muscles are said to be involuntary muscles.

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Give reason:Cardiac muscles are said to be involuntary muscles.

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