All of the Following Characteristics of the Sarcoplasmic Reticulum in Cardiac

Multiple Choice

All of the following characteristics of the sarcoplasmic reticulum in cardiac muscle cells are true except

A) it is more irregular than that in skeletal muscle fibers.
B) it is in close association with the transverse tubules.
C) it is involved in the storage and release of Ca²⁺.
D) it has enlarged terminal cisternae like skeletal muscle fibers.