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  1. Heart
    HeartMuscle organ
    AnatomyFunctionAttackHealthRateTransplantDiseasesFacts
     
  2. All images
    All images
    SystemCirculatory
    ArteryAorta, pulmonary trunk and right and left pulmonary arteries, right coronary artery, left main coronary artery
    Wikipedia
    https://en.wikipedia.org/wiki/Heart

    Heart - Wikipedia

    • The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middl… See more

    Structure

    The human heart is situated in the mediastinum, at the level of thoracic vertebrae T5-T8. A double-membraned sac called the pericardium surrounds the heart and attaches to the mediastinum. The back surface of t… See more

    Development

    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 d… See more

    Physiology

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

    Clinical significance

    Cardiovascular diseases, which include diseases of the heart, are the leading cause of death worldwide. The majority of cardiovascular disease is noncommunicable and related to lifestyle and other f… See more

    History

    Humans have known about the heart since ancient times, although its precise function and anatomy were not clearly understood. From the primarily religious views of earlier societies towards the heart, ancient Greeks are conside… See more

    Society and culture

    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, purpose or the mind. The heart is an emblematic symbol in many religions, si… See more

    Other animals

    The size of the heart varies among the different animal groups, with hearts in vertebrates ranging from those of the smallest mice (12 mg) to the blue whale (600 kg). In vertebrates, the heart lies in the middle of th… See more

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  3. Wikipedia
    https://en.wikipedia.org/wiki/Anatomy_of_the_human_heart

    Anatomy of the human heart - Wikipedia

  4. Wikipedia
    https://en.wikipedia.org/wiki/Cardiac_physiology

    Cardiac physiology - Wikipedia

  5. Britannica
    https://www.britannica.com/science/heart

    Heart | Structure, Function, Diagram, Anatomy, & Facts

    WEBJul 5, 2024 · Learn about the structure, function, and diagram of the human heart, a four-chambered double pump that circulates blood through the body. Explore the history, evolution, and diseases of the heart, and …

  6. Wikipedia
    https://simple.wikipedia.org/wiki/Heart

    Heart - Simple English Wikipedia, the free encyclopedia

  7. Live Science
    https://www.livescience.com/34655-hu…

    Human heart: Anatomy, function & facts | Live Science

    WEBJul 27, 2022 · The human heart is an organ that pumps blood throughout the body via the vessels of the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other...

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  8. wikibooks.org
    https://en.wikibooks.org/wiki/Human_Physiology/The...

    Human Physiology/The cardiovascular system - Wikibooks

  9. Physiopedia
    https://www.physio-pedia.com/Anatom…

    Anatomy of the Human Heart - Physiopedia

    WEBAnatomy. The heart is a conical hollow muscular organ situated in the middle mediastinum and is enclosed within the pericardium. It is positioned posteriorly to the body of the sternum with one-third situated on the right …

  10. Wikiwand
    https://www.wikiwand.com/en/Heart

    Heart - Wikiwand

  11. Healthline
    https://www.healthline.com/human-body-maps/heart

    Heart Pictures, Diagram & Anatomy | Body Maps - Healthline

  12. textbookofcardiology.org
    https://www.textbookofcardiology.org/wiki/Anatomy_of_the_Heart

    Anatomy of the Heart - Textbook of Cardiology

  13. National Geographic
    https://www.nationalgeographic.com/science/article/heart-1

    Heart Information, Facts, Photos | National Geographic

  14. Wikipedia
    https://en.wikipedia.org/wiki/Heart_valve

    Heart valve - Wikipedia

  15. Cleveland Clinic
    https://my.clevelandclinic.org/health/body/21704-

    Heart: Anatomy & Function - Cleveland Clinic

  16. Wikipedia
    https://simple.wikipedia.org/wiki/Circulatory_system

    Circulatory system - Simple English Wikipedia, the free encyclopedia

  17. OpenStax
    https://openstax.org/.../pages/19-1-heart-anatomy

    19.1 Heart Anatomy - Anatomy and Physiology | OpenStax

  18. MedicineNet
    https://www.medicinenet.com/heart_how_the_heart_works/article.htm

    How the Heart Works: Diagram, Anatomy, Blood Flow, Functions

  19. BYJU'S
    https://byjus.com/biology/human-heart

    Human Heart - Anatomy, Functions and Facts about Heart - BYJU'S

  20. Wikipedia
    https://en.wikipedia.org/wiki/Heart_development

    Heart development - Wikipedia

  21. wikimedia.org
    https://commons.wikimedia.org/wiki/Heart

    Heart - Wikimedia Commons

  22. fandom.com
    https://coldplay.fandom.com/wiki/Human_Heart

    Human Heart | Coldpedia, the Coldplay Wiki | Fandom

  23. wikimedia.org
    https://commons.wikimedia.org/wiki/Category:...

    Category : Anatomy of the human heart - Wikimedia

  24. Wikipedia
    https://en.wikipedia.org/wiki/Heart_rate

    Heart rate - Wikipedia

  25. fandom.com
    https://once-human.fandom.com/wiki/Deviations

    Deviations | Once Human Wiki | Fandom