Question

Differentiate between striated unstriated and cardiac muscle on the basis of their structure, site/ location in the body

Answer 1

Answer:

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Explanation:

triated muscle  

Unstriated muscle

Cardiac muscle

They are cylindrical in shape and multi nucleate.

They spindle shaped and uninucleate.

They are cylindrical branched and uninucleate.

They are present in body parts such as hands and legs.

They are present in the wall of food canal, stomach, mouth, iris etc.

They are present in the heart.

Answer 2

Answer:

Here is the differentiation:

Explanation:

Striated muscles:

1. They are also called skeletal muscles.
2. Voluntary movements of the body are controlled by these skeletal muscles.
3. Alternating dark and light bands called striations are present.
4. Contractile proteins like actin and myosin are responsible for the movement of these muscles. Uses ATP for its movement.
5. They are cylindrical, multinucleated cells.

Unstriated muscles:

1. They are called smooth muscles.
2. They control the involuntary actions of the body.
3. No striations present.
4. They are spindle-shaped cells. They are also uninucleated and elongated. Uses ATP for its movement.
5. found in the stomach, intestine, bladder, and blood vessels, excluding the heart.

Cardiac muscles:

1. As the name cardiac suggests, they constitute the walls of the heart.
2. They control the beating of the heart.
3. They are striated, i.e. they have alternating dark and light bands of protein.
4. They are branched, fused and uninucleated.
5. Uses ATP for movement.