What are some unusual facts about the cardiac muscle?

The biggest one is that cardiac muscle is the only muscle type (the other two are smooth and skeletal muscle) able to generate electricity. While all cardiomyocytes are able to generate electricity (action potentials), functionally it starts in the sinoatrial node, located in the right atrium, because it generates them at the fastest rate. read more

The special requirements of the heart call for a special type of muscle, cardiac muscle, which is not found anywhere else in the body. Cardiac muscle is in some ways similar to skeletal and smooth muscle. For example, all three contract when a rise in calcium inside the muscle cell allows interaction between actin and myosin filaments. read more

You can distinguish the skeletal muscle and cardiac muscle from the T-tubules. The bigger and wider T-tubules are spotted on cardiac muscles. Get facts about bones and muscles here. Facts about Cardiac Muscle 8: the regeneration of cardiac muscle cells. The common belief stated that cardiac muscle cells could not be regenerated. read more