Transverse Tubules and Sarcoplasmic Reticulum are Well Developed In

Question

Transverse tubules and sarcoplasmic reticulum are well developed in
A)smooth muscle fibers.
B)skeletal muscle fibers.
C)cardiac muscle fibers.
D)skeletal and cardiac muscle fibers.

Accepted Answer

Transverse tubules and sarcoplasmic reticulum are well developed in both skeletal and cardiac muscle fibers, facilitating rapid and coordinated contraction in these types of muscles.