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  2. Heart - Wikipedia

    en.wikipedia.org/wiki/Heart

    The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. [3]

  3. Anatomy of the human heart - Wikipedia

    en.wikipedia.org/wiki/Anatomy_of_the_human_heart

    The heart is a muscular organ situated in the mediastinum.It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left ...

  4. Cardiology - Wikipedia

    en.wikipedia.org/wiki/Cardiology

    The heart is located in the middle of the abdomen with its tip slightly towards the left side of the abdomen. Disorders of the heart lead to heart disease and cardiovascular disease and can lead to a significant number of deaths: cardiovascular disease is the leading cause of death in the U.S. and caused 24.95% of total deaths in 2008. [19]

  5. 11 Surprising Heart Disease Facts You Should Know - AOL

    www.aol.com/lifestyle/11-surprising-heart...

    Here’s a fact: Heart disease kills more people worldwide, including in the U.S., than any other cause, according to the Centers for Disease Control and Prevention (CDC). Nearly half of American ...

  6. 10 Surprising Facts You Didn’t Know About Your Heart - AOL

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  7. 65 Unsettling Medical Facts That Are Not For The Faint Of Heart

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    At times, local and global events seem to suggest humanity is going backward. However, it's important to remember that progress often takes a winding path, and we can't underestimate how far we've ...

  8. Circulatory system - Wikipedia

    en.wikipedia.org/wiki/Circulatory_system

    In vertebrates, the circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the body. [1] [2] It includes the cardiovascular system, or vascular system, that consists of the heart and blood vessels (from Greek kardia meaning heart, and Latin vascula meaning vessels).

  9. Coronary arteries - Wikipedia

    en.wikipedia.org/wiki/Coronary_arteries

    Coronary artery disease (CAD) or ischemic heart disease are the terms used to describe narrowing of the coronary arteries. [8] As the disease progresses, plaque buildup can partially block blood flow to the heart muscle. Without enough blood supply , the heart is unable to work properly, especially under increased stress.

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