Question

Differentiate between voluntary and involuntary muscles.

Answer 1

Hint: All movements of our body are the results of muscle contraction and are found in every organ, including the blood vessels, heart, and digestive organs.

Complete answer:

Sl.No	Voluntary Muscles	Involuntary Muscles
1.	Cylindrical, long, and unbranched shaped muscles.	Spindle-shaped, small muscles.
2.	These muscles are multinucleated.	These muscles are uninucleate.
3.	Found attached to bones.	Found in the walls of internal organs.
4.	High energy requirement.	Low energy requirement.
5.	Presence of the nucleus at the periphery.	Presence of the nucleus at the center.
6.	Has a thick Sarcolemma.	Has a thin Sarcolemma.
7.	Actions are mainly regulated by the Somatic nervous system.	Actions are mainly regulated by the Autonomic nervous system.
8.	Rapid and powerful contractions.	Slow and rhythmic contractions.
9.	High energy required.	Low energy required.
10.	Get fatigued needing rest regularly.	Not fatigued, can work continuously.
11.	These muscles are under our control, thus they work according to our will.	These muscles are not governed by our will.
12.	These muscles are in the action in the movement of body parts and the locomotion of the body.	These muscles are in the action in the internal movements of the organs, aiding the passage of fluids and food in the digestive system.
13.	Few examples of Voluntary Muscles are Diaphragm, abdominal wall tongue,pharynx, muscles of middle ear, muscles underneath the skin are few examples of Voluntary Muscles.	Few examples of Involuntary Muscles areBlood vessels, ducts of glands,Alimentary tracts, Urogenital tracts, respiratory tracts.

Note:
- The muscular system includes more than 700 muscles and makes up about 40 percent of the total body weight.
- There are three types of muscle classified based on their movements and structures: Skeletal Muscles, Smooth Muscles, and Cardiac Muscles.