The Cardiovascular System
Cardiac Muscle Tissue
Cardiac muscle appears striated due to the presence of sarcomeres, the highly organized basic functional unit of muscle tissue.
Mechanism and Contraction Events of Cardiac Muscle Fibers
Cardiac muscle fibers undergo coordinated contraction via calcium-induced calcium release, conducted through the intercalated discs.
Cardiac cells contain numerous mitochondria, which enable continuous aerobic respiration and production of ATP for cardiac function.