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  2. 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 ...

  3. Cardiac skeleton - Wikipedia

    en.wikipedia.org/wiki/Cardiac_skeleton

    The heart's cardiac skeleton comprises four dense connective tissue rings that encircle the mitral and tricuspid atrioventricular (AV) canals and extend to the origins of the pulmonary trunk and aorta. This provides crucial support and structure to the heart while also serving to electrically isolate the atria from the ventricles. [1]

  4. 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]

  5. Atrium (heart) - Wikipedia

    en.wikipedia.org/wiki/Atrium_(heart)

    Humans have a four-chambered heart consisting of the right and left atrium, and the right and left ventricle. The atria are the two upper chambers which pump blood to the two lower ventricles. The right atrium and ventricle are often referred to together as the right heart, and the left atrium and ventricle as the left heart.

  6. Insurer stocks fall after Trump says 'we're going to knock ...

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    CVS Health's Caremark, Cigna's Express Scripts and UnitedHealth Group's Optum control the majority of the U.S. pharmacy benefit market, with their parent companies also operating health insurance ...

  7. 2 sisters, 7 years apart in age, also receive heart ... - AOL

    www.aol.com/2-sisters-7-years-apart-014624517.html

    The genetic condition is a form of heart disease that causes the heart muscle to thicken. In 2012, Cannon had chest pain. She was misdiagnosed in Nashville, Tennessee, and got a second opinion at ...

  8. Zooey Deschanel’s 2 Children Make Rare Appearance ... - AOL

    www.aol.com/lifestyle/zooey-deschanel-2-children...

    The actress, 44, attended an event for The Simpsons’ latest holiday special, "O C’mon All Ye Faithful," on Friday, Dec. 13, when she was accompanied by her two children, daughter Elsie Otter ...

  9. Cardiology - Wikipedia

    en.wikipedia.org/wiki/Cardiology

    Preventive cardiology also deals with routine preventive checkup though noninvasive tests, specifically electrocardiography, fasegraphy, stress tests, lipid profile and general physical examination to detect any cardiovascular diseases at an early age, while cardiac rehabilitation is the upcoming branch of cardiology which helps a person regain ...