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  1. Heart: Anatomy & Function - Cleveland Clinic

    Jan 26, 2024 · What is the heart? The heart is a fist-sized organ that pumps blood throughout your body. It’s your circulatory system …

  2. CARDIAC Definition & Meaning - Merriam-Webster

    Oct 31, 2026 · The meaning of CARDIAC is of, relating to, situated near, or acting on the heart. How to use cardiac in a sentence.

  3. Cardiology - Wikipedia

    Cardiology (from Ancient Greek καρδίᾱ (kardiā) 'heart' and -λογία (-logia) 'study') is the study of the heart. Cardiology is a branch of …

  4. Heart Disease: Symptoms & Causes - Cleveland Clinic

    Aug 6, 2026 · “Heart disease” is an umbrella category for many conditions that affect your heart. Coronary artery disease (CAD) is …

  5. American Heart Association | To be a relentless force for a world of ...

    3 days ago · Heart Walk is the American Heart Association's premiere event for raising funds to help save lives from heart disease …

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

    Aug 22, 2024 · As the heart beats, it pumps blood through a system of blood vessels called the circulatory system. The vessels are …

  7. Heart disease - Symptoms and causes - Mayo Clinic

    Coronary artery disease is a common heart condition that affects the major blood vessels that supply the heart muscle. A buildup of …

  8. Cardiac arrest - Wikipedia

    Cardiac arrest is typically identified by the absence of a central pulse and abnormal or absent breathing. [1] Cardiac arrest and …

  9. 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 …

  10. Cardiovascular System: Organs and Functions Diagram

    Sep 11, 2026 · Its purpose is to transport blood to organs and tissues throughout the body. The diagram highlights the main …