The Storage and Release of Calcium Ions is the Key

Question

The storage and release of calcium ions is the key function of the:
A)sarcoplasmic reticulum.
B)sarcoplasm.
C)mitochondrion.
D)sarcolemma.

Accepted Answer

The sarcoplasmic reticulum is a specialized type of smooth endoplasmic reticulum found in muscle cells that is responsible for storing and releasing calcium ions, which are essential for muscle contraction.