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  1. Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica

    Dec 6, 2025 · Heart, organ that serves as a pump to circulate the blood. It may be as simple as a straight tube, as in spiders and annelid worms, or as complex as the four-chambered double …

  2. Heart Disease: Symptoms, Causes & Treatment - Cleveland Clinic

    Sep 19, 2025 · Heart disease can lead to a heart attack, heart failure, cardiac arrest, stroke and organ damage. Healthy habits, medicines and procedures can prevent or treat CAD and other …

  3. Heart disease - Symptoms and causes - Mayo Clinic

    Aug 13, 2024 · Coronary artery disease is a common heart condition that affects the major blood vessels that supply the heart muscle. A buildup of fats, cholesterol and other substances in …

  4. About Heart Disease | Heart Disease | CDC

    May 15, 2024 · High blood pressure, high blood cholesterol, and smoking are key risk factors. 1 out of every 5 deaths in the United States are due to heart disease. What is heart disease? …

  5. Heart Anatomy, Function, and Blood Circulation - WebMD

    Aug 22, 2024 · Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

  6. Cardiac | definition of cardiac by Medical dictionary

    1. pertaining to the heart. 2. pertaining to the ostium cardiacum. cardiac arrest sudden and often unexpected stoppage of effective heart action.

  7. CARDIAC Definition & Meaning - Merriam-Webster

    Jan 9, 2015 · The meaning of CARDIAC is of, relating to, situated near, or acting on the heart. How to use cardiac in a sentence.

  8. Cardiovascular system: Function, organs, conditions, and more

    May 22, 2025 · The cardiac cycle consists of two phases: systole (contraction) and diastole (relaxation). Some conditions that can affect the heart include heart attack, stroke, heart …

  9. Heart and Vascular Surgery - The Christ Hospital

    As a national leader in heart and vascular surgical care, surgeons at The Christ Hospital Health Network specialize in a broad spectrum of procedures and treatments.

  10. Heart and Vascular Care - TriHealth

    TriHealth Heart & Vascular Institute offers comprehensive cardiac services throughout Greater Cincinnati. Stay up to date with the latest news in heart care conditions and treatments. Your …