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Heart - Wikipedia
Wikipedia articles incorporating a citation from the 1911 Encyclopaedia Britannica with Wikisource reference
Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica
The heart is an 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 system in humans, other mammals, and birds.
Heart: Anatomy & Function - Cleveland Clinic
Your heart is a vital organ that keeps blood pumping through your body. Learn more about your heart.
Heart (band) - Wikipedia
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Heart Anatomy, Function, and Blood Circulation - WebMD
Learn about heart anatomy, including chambers, valves, and blood vessels, and how they coordinate blood circulation to keep the body functioning.
Heart - Simple English Wikipedia, the free encyclopedia
The heart The heart is a hard-working, fist-sized muscle found in people and animals. It pumps out blood through tube-like structures called blood vessels. The heart and these vessels together make up the body-wide circulatory system. Blood carries in oxygen -rich air and nutrient-packed food to the body and takes away waste-filled substances like carbon dioxide to the lungs. In people, the ...
American Heart Association | To be a relentless force for a world of ...
Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Also learn about cardiovascular conditions, ECC and CPR, donating, heart disease information for healthcare professionals, caregivers, and educators and healthy living.
How the Heart Works - What the Heart Looks Like | NHLBI, NIH
Learn about your heart’s anatomy. Your heart is in the center of your chest, near your lungs. It has four hollow chambers surrounded by muscle and other heart tissue. The chambers are separated by heart valves, which make sure that the blood keeps flowing in the right direction. Read more about heart valves and how they help blood flow through the heart.
Homepage | Heart
Heart is an international peer reviewed journal that keeps the cardiovascular community informed of important scientific and clinical advances. The journal promotes active interchange among researchers, clinicians, and educators to accelerate progress in cardiovascular science and improve patient care.
The heart: Anatomy, how it works, and more - Medical News Today
Here, learn about the structure of the heart, what each part does, and how it works to support the body. We also explore the electrical impulses and the role of CPR.
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