Question

7 intercalated disks are found in? a cardiac muscle only b both cardiac and smooth muscle c both cardiac and skeletal muscle d smooth muscle only e none of these

Explanation:

Intercalated disks are unique structural and functional features of cardiac muscle. They allow for synchronized contraction of cardiac muscle cells by facilitating electrical and mechanical coupling between adjacent cells. Smooth muscle lacks intercalated disks, and skeletal muscle has different types of junctions.

Answer:

A. cardiac muscle only