Heart Anatomy: Diagram, Blood Flow and Functions - MedicineNet
Learn about the heart's anatomy, how it functions, blood flow through the heart and lungs, its location, artery appearance, and how it beats.
Heart | Structure, Function, Diagram, Anatomy, & Facts ...
Oct 31, 2024 · 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 …
How the Healthy Heart Works - American Heart Association
May 14, 2018 · The normal heart is a strong, hard-working pump made of muscle tissue. It's about the size of a person's fist. The heart has four chambers. The upper two chambers are the …
Heart: Anatomy & Function - Cleveland Clinic
Your muscular heart, the main organ in your cardiovascular system, is vital for life. Its parts work together to move blood through your body in a coordinated way. It constantly sends oxygen to …
How the Heart Works | Congenital Heart Defects (CHDs) | CDC
Oct 4, 2024 · Blood is carried through the body in blood vessels called arteries and veins. The process of moving blood through the body is called circulation. Together, the heart and …
How the Heart Works - The Heart - NHLBI, NIH
Mar 24, 2022 · Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas …
How the Heart Works - What the Heart Looks Like | NHLBI, NIH
Mar 24, 2022 · 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 …
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