The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels. 1 The heart and blood vessels together make the circulatory …

6 days ago · 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 …

Jan 26, 2024 · What is the heart? The heart is a fist-sized organ that pumps blood throughout your body. It’s your circulatory system ’s main organ. Muscle and tissue make up this …

2 days ago · 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, …

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.

Jun 11, 2024 · 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. Understanding its basic …

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 …

Sep 30, 2020 · The human heart is a finely-tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of …

Jan 8, 2025 · The seven main functions of the heart include pumping blood throughout the body, delivering oxygen to tissues, removing waste from tissues, controlling heart rate, maintaining …

Dec 26, 2024 · Explore the heart anatomy with its parts, names & a clear diagram. Learn how the heart functions & its crucial role in the circulatory system