Cardiac Muscle cells

The purpose of cardiac muscles and the cells within.

Main Function

Cardiac muscles contract in order to pump blood through the body.

Three organelles in these cells include:

Mitochondria create energy in the form of ATP in order to provide the muscle with the energy needed to expand and contract quickly and often.


Myofibrils exist in order to expand and contract the cell and muscle as a whole.


Sarcoplasmic Reticulum exists in order to store and release calcium ions to trigger contractions of the muscles.

Myocardium Tissue

Cardiac Muscle Cells in a large group form Myocardium Tissue which expand and contract in order to pump the heart.
Big image

What organ are these tissues found in?

Myocardium tissues are found in the heart and as each cell in the tissue contracts, the tissues contract thereby causing the heart as a whole to contract in order to pump blood through the body.
Big image