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    Heart - Wikipedia

    The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels. Heart and blood vessels together make the circulatory system. The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, … See more

    Location and shape
    The human heart is situated in the mediastinum, at the level of thoracic vertebrae See more

    Physiology image
    History image

    Blood flow
    The heart functions as a pump in the circulatory system to provide a continuous flow of blood throughout the body. This circulation consists of … See more

    Diseases
    Cardiovascular diseases, which include diseases of the heart, are the leading cause of death … See more

    Symbolism
    As one of the vital organs, the heart was long identified as the center of the entire body, the seat of life, or emotion, or reason, will, intellect, … See more

    Society and culture image
    Overview image

    The heart is the first functional organ to develop and starts to beat and pump blood at about three weeks into embryogenesis. This early start is crucial for subsequent embryonic and prenatal development.
    The heart derives from splanchnopleuric mesenchyme See more

    Clinical significance image
    Other animals image

    Ancient
    Humans have known about the heart since ancient times, although its precise function and anatomy were not clearly understood. From the primarily … See more

    Vertebrates
    The size of the heart varies among the different animal groups, with hearts in vertebrates ranging from those of the smallest mice (12 … See more

     
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  3. Heart | Structure, Function, Diagram, Anatomy,

    Oct 31, 2024 · 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 pump that is the center of the circulatory …

  4. Heart disease - Symptoms and causes - Mayo Clinic

  5. Heart: Anatomy & Function - Cleveland Clinic

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

  7. How the Heart Works - What the Heart Looks Like

    Mar 24, 2022 · Learn how your heart is structured and how it pumps blood through your body. Find out about heart valves, chambers, tissue, and conditions that affect the heart.

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

  9. The heart: Anatomy, how it works, and more - Medical …

    Sep 30, 2020 · Learn about the structure, function, and circulation of the human heart, a muscular organ that pumps blood throughout the body. Find out how the heart valves, electrical system, and blood vessels work together to deliver …

  10. Heart Anatomy: Labeled Diagram and Quick …

    Jun 11, 2024 · 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. Understanding its basic anatomy is crucial to understanding how it …

  11. Heart Pictures, Diagram & Anatomy | Body Maps

    Mar 10, 2015 · Learn about the heart's structure, layers, chambers, blood flow and role in the circulatory system. See pictures and diagrams of the heart and its parts.

  12. How the Healthy Heart Works - American Heart Association

  13. Heart (Human Anatomy): Overview, Function & Structure | Biology

  14. Heart anatomy: Structure, valves, coronary vessels | Kenhub

  15. Where is the heart located in the body and how does it work?

  16. Heart Health - Harvard Health

  17. Anatomy of the Human Heart - Physiopedia

  18. Homepage | Heart

  19. Heart Attack Warning Signs You Shouldn’t Ignore | The Well by …

  20. Physiology, Cardiac - StatPearls - NCBI Bookshelf

  21. The Heart - TeachMeAnatomy

  22. Abnormal resting heart rate over long term may predict future …

  23. Heart Definition & Meaning - Merriam-Webster

  24. Scientists Discover Self-Healing Secrets of the Human Heart

  25. Covid Can Raise the Risk of Heart Problems for Years

  26. Heart symbol - Wikipedia

  27. Ershen Zhenwu Decoction Suppresses Myocardial Fibrosis of …

  28. S.T.A.L.K.E.R. 2: Heart of Chornobyl - Steam Community

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