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  1. Heart (band) - Wikipedia

    Heart is an American rock band formed in Seattle, Washington, in 1973. The band evolved from previous projects led by the founding members Roger Fisher (guitar) and Steve Fossen (bass …

  2. 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 …

  3. 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.

  4. How the Heart Works - What the Heart Looks Like | NHLBI, NIH

    Mar 24, 2022 · This image shows the four chambers of the heart and the direction that blood flows through the heart. Oxygen-poor blood, shown in blue-purple, flows into the heart and is …

  5. Heart Anatomy: Diagram, Blood Flow and Functions - MedicineNet

    Jan 8, 2025 · Learn about the heart's anatomy, how it functions, blood flow through the heart and lungs, its location, artery appearance, and how it beats.

  6. Heart Anatomy: Labeled Diagram and Quick Reference

    Sep 3, 2025 · The heart is a vital, fist-sized muscular organ located slightly on the left side of the chest. It consists of four main chambers: two atria and two ventricles. 1 Understanding its …

  7. How the Heart Works | Congenital Heart Defects (CHDs) | CDC

    Oct 4, 2024 · Blood is carried through the body in blood vessels called arteries and veins. The process of moving blood through the body is called circulation. Together, the heart and …

  8. Heart Information, Facts, Photos - National Geographic

    The heart is the body's engine room, responsible for pumping life-sustaining blood via a 60,000-mile-long (97,000-kilometer-long) network of vessels. The organ works ceaselessly, beating …

  9. How the Normal Heart Works | Children's Hospital of Philadelphia

    How the Normal Heart Works The heart is a large muscular organ with the very important job of circulating blood through the blood vessels to the body. Located in the center of the chest, the …

  10. Understanding Your Heart and How It Functions

    Nov 7, 2024 · Your heart delivers oxygen and nutrients throughout the body, regulates blood pressure, and maintains overall health and wellness. To keep your heart functioning properly, …