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Heart - Wikipedia
In humans, deoxygenated blood enters the heart through the right atrium from the superior and inferior venae cavae and passes to the right ventricle. From here, it is pumped into pulmonary circulation to the lungs, where it receives oxygen and gives off carbon dioxide.

Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica
Heart, 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 (band) - Wikipedia
Heart is an American rock band formed in Vancouver in 1974. The band evolved from previous projects led by the founding members Roger Fisher (guitar) and Steve Fossen (bass guitar), including The Army (1967–1969), Hocus Pocus (1969–1970), and White Heart (1970–1973).

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.

Heart: Anatomy & Function - Cleveland Clinic
Your heart contains four muscular sections (chambers) that briefly hold blood before moving it. Electrical impulses make your heart beat, moving blood through these chambers. Your brain and nervous system direct your heart’s function.

How the Heart Works - What the Heart Looks Like | NHLBI, NIH
This image shows the four chambers of the heart and the direction that blood flows through the heart. Oxygen-poor blood, shown in blue-purple, flows into the heart and is pumped out to the lungs.

Heart Anatomy, Function, and Blood Circulation - WebMD
Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

Heart disease - Symptoms and causes - Mayo Clinic
Learn about symptoms, causes and treatment of cardiovascular disease, a term describing a wide range of conditions that can affect the heart.

Human cardiovascular system | Description, Anatomy, & Function - Britannica
human cardiovascular system, organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the blood is propelled by a muscular heart.

The Heart: Anatomy and 3D Illustrations - Innerbody
Explore the anatomy and core functions of the heart with Innerbody's interactive 3D model.

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A day of learning and fun for heart health awareness| Moves in Medicine  6abc Philadelphia
Filled with fun, heart, and energy, Bulloch County Recreation Afterschool builds community beyond the school day  Grice Connect
Heart of the Lake FreedomFest draws crowd for day of fun and fireworks  The Lake Sun
Bandwagon Summer Series: Fun Fest for Kids and Kids at Heart  Vermont Public
HEART & SOLE: Downtown LaGrange to host Valentine’s Day fun run  LaGrange Daily News
Why holiday fun, food and alcohol can be bad for your heart if you’re not careful  Houston Public Media
Fun At The Heart Of Bulldogs’ Success  University of Georgia Athletics
Here’s What Happened When 3 “Big Kids At Heart” Trained To Become The Fun Tía And Tío Of Their Families  BuzzFeed
Do e-bikes count as exercise, or are they just a fun ride?  www.heart.org
Highlight - This Is So Much Fun - When Calls the Heart  Hallmark Channel