Question

What Is difference between voluntary and involuntary muscles?

Answer 1

Voluntary muscles:

1. Voluntary muscles or striated muscles are composed of individual muscle fibers that contract when stimulated by branches of motoneurons or somatic motor neurons.
2. This contraction is voluntary
3. These are attached to bones
4. For example, we can control the muscles in the arms and legs when we run, walk or jump.

Involuntary muscles:

1. Muscles that are not under your conscious control.
2. They are known as unstriated or smooth muscle fibers as they lack striations.
3. These are attached to the walls of internal organs.
4. They are responsible for such important activities as breathing, heartbeat, and digesting food
5. Examples are smooth and cardiac muscles.

Voluntary muscles	Involuntary muscles
They are cylindrical shaped, long, and unbranched	They are spindle-shaped and have small muscles.
It is multinucleated	It is uninucleated
They are having thick sarcolemma	They are having thin sarcolemma
Striations are present	Striations are absent
Examples: Movement of arms is under control	Examples: Cardiac muscles found in the heart work tirelessly and regulate the beating of the heart.