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  1. Heart: Anatomy & Function - Cleveland Clinic

    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? …

  2. Cardiac Function - Control of Cardiac Output - NCBI Bookshelf

    It provides the energy for the flow of life-giving blood through the circulatory system, and its strong, rhythmic beating is the very symbol of life. Cardiac physiology has been studied …

  3. What Are the Four Main Functions of the Heart? - MedicineNet

    What are the four main functions of the heart? The main functions of the heart include pumping blood, hormones, and other vital substances to other parts of the body

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

    May 22, 2025 · Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood back to the lungs.

  5. Heart Function - an overview | ScienceDirect Topics

    Heart function is defined as the activity of the heart as a central organ of the cardiovascular system, which involves the synchronous contraction of the right and left ventricles to support …

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

    Oct 21, 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 …

  7. Cardiac Function Understanding the Mechanics, Regulation, and …

    May 27, 2025 · Cardiac function is the cornerstone of human health and physiology, serving as the vital mechanism by which blood is pumped throughout the body. The heart operates as a …

  8. How the Healthy Heart Works - American Heart Association

    May 14, 2018 · Watch animations on blood flow and your heart valves. The American Heart Association explains how the healthy heart works.

  9. Cardiac physiology - Wikipedia

    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 …

  10. What is the Role of the Heart in the Circulatory System?

    Apr 13, 2025 · In this deep dive, we’ll journey through the anatomy and function of the heart, explore how it orchestrates circulation, and understand why this organ, no bigger than your …