Cardiac muscle tissue has autorhythmicity, the unique ability to initiate a cardiac action potential at a fixed rate—spreading the impulse rapidly from cell to cell to trigger the contraction of the entire heart.
Jan 21, 2026 · This process is called the cardiac cycle. The period of relaxation is called diastole. The period of contraction is called systole. Diastole is the longer of the two phases so that the heart can.
The meaning of CARDIAC is of, relating to, situated near, or acting on the heart. How to use cardiac in a sentence.
Jan 26, 2024 · Electrical impulses make your heart beat, moving blood through these chambers. Your brain and nervous system direct your heart’s function. What is the function of the heart? Your heart’s.
Mar 20, 2025 · To define cardiac, it is essential to understand its connection to the heart and overall cardiovascular health. Derived from the Greek word “kardia,” meaning heart, the term is used to.
- pertaining to the heart. 2. pertaining to the ostium cardiacum. cardiac arrest sudden and often unexpected stoppage of effective heart action.
CARDIAC definition: 1. of the heart or heart disease: 2. a cardiac arrest (= a heart attack): 3. of the heart or.. Learn more.
2 days ago · The cardiac cycle includes all of the events that take place during one heartbeat. There are 3 phases to the cardiac cycle: atrial systole, ventricular systole, and relaxation.
Jul 26, 2025 · Cardiac function refers to the heart’s ability to pump blood throughout the body. This continuous circulation delivers oxygen and nutrients to cells, tissues, and organs. Maintaining optimal.
Feb 12, 2026 · Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Also learn about cardiovascular conditions, ECC and CPR, donating, heart.
