Question

Intercalated discs are present in

• A. Striated muscle
• B. Unstriated muscle
• C. Cardiac muscle
• D. All of the above

Answer 1

The correct option is C

Cardiac muscle

The correct option is : (C)

Explanation of the correct option:

1. Cardiac muscles are made of cardiomyocytes.
2. At the longitudinal ends of cardiomyocytes, the intercalated disc is found that help to stay connected and act as a single functional organ.

Explanation of the incorrect option:

Option A: Striated muscles are made of repeating units of proteins namely actin and myosin along the length of the myofibril.

Option B: Unstriated muscles have no cross strips or sarcomeres thus refers as smooth muscles.

Final Answer: Intercalated discs are present in the Cardiac muscle.