Question

Assertion: Smooth muscles are known as involuntary muscles Reason: Smooth muscles are controlled by ANS

Answer 1

Explanation:

Smooth muscle is called involuntary muscle because you can not control this type of muscle movement. These muscles line internal organs, blood vessels, and organs such found in the digestive and reproductive systems.

Structurally, these muscle fibers appear non-striated (not striped) when magnified, have one nucleus per cell, and are usually short. They produce weaker contractions.

Answer 2

Some special Points on Smooth muscles :-

• These muscles are also called as visceral muscles.
• They have uni-nucleated and spindle shaped muscles cells.
• These are not under the control of our will and are called as involuntary muscles.
• Performs actions such as digestion, fertilisation etc that are not under our will.