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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. Cardiocentric hypothesis - Wikipedia

    en.wikipedia.org/wiki/Cardiocentric_hypothesis

    According to the cardiocentric hypothesis, the heart is the primary location of human emotions, cognition, and awareness. [1] This notion may be traced back to ancient civilizations such as Egypt and Greece, where the heart was regarded not only as a physical organ but also as a repository of emotions and wisdom. [2]

  4. What's More Important for Heart Health: Lowering Dietary ...

    www.aol.com/whats-more-important-heart-health...

    Heart health is a long-time pain point for Americans—physically and emotionally. Heart disease is the leading cause of death in the U.S., and that number crosses sex, racial and ethnic lines ...

  5. Cardiac action potential - Wikipedia

    en.wikipedia.org/wiki/Cardiac_action_potential

    Another important ion is calcium (Ca 2+), which can be found inside the cell in the sarcoplasmic reticulum (SR) where calcium is stored, and is also found outside of the cell. Release of Ca 2+ from the SR, via a process called calcium-induced calcium release , is vital for the plateau phase of the action potential (see phase 2, below) and is a ...

  6. The Most Important Habit To Stop By 50 To Lower Your Risk of ...

    www.aol.com/lifestyle/most-important-habit-stop...

    Your 50s is an important decade when it comes to your health—especially your cardiovascular health. The average age for being diagnosed with heart disease (the number one cause of death in the U ...

  7. Cardiac physiology - Wikipedia

    en.wikipedia.org/wiki/Cardiac_physiology

    Cardiac physiology or heart function is the study of healthy, unimpaired function of the heart: involving blood flow; myocardium structure; the electrical conduction system of the heart; the cardiac cycle and cardiac output and how these interact and depend on one another.

  8. What Is Heart Disease? Everything You Need to Know - AOL

    www.aol.com/heart-disease-everything-know...

    Coronary Artery Disease. Coronary artery disease, or coronary heart disease, is the most common type of heart disease. It occurs when fatty deposits called plaques build up in your arteries ...

  9. 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).