Heart is an American rock band formed in Seattle, Washington, in 1973. The band evolved from previous projects led by the founding members Roger Fisher (guitar) and Steve Fossen (bass …

Oct 21, 2025 · 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 …

Aug 22, 2024 · 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.

Mar 24, 2022 · 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 …

Jan 8, 2025 · Learn about the heart's anatomy, how it functions, blood flow through the heart and lungs, its location, artery appearance, and how it beats.

Sep 3, 2025 · The heart is a vital, fist-sized muscular organ located slightly on the left side of the chest. It consists of four main chambers: two atria and two ventricles. 1 Understanding its …

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 …

The heart is the body's engine room, responsible for pumping life-sustaining blood via a 60,000-mile-long (97,000-kilometer-long) network of vessels. The organ works ceaselessly, beating …

How the Normal Heart Works The heart is a large muscular organ with the very important job of circulating blood through the blood vessels to the body. Located in the center of the chest, the …

Nov 7, 2024 · Your heart delivers oxygen and nutrients throughout the body, regulates blood pressure, and maintains overall health and wellness. To keep your heart functioning properly, …