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Heart - Wikipedia 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 system [2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs [3]
Heart | Structure, Function, Diagram, Anatomy, Facts . . . 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 Learn more about the heart in this article
30 Facts About Your Heart - Cleveland Clinic Health Essentials Here are a few more heart-related facts, courtesy of cardiologist Brian Griffin, MD Your heart beats about 100,000 times per day During the average person’s lifetime, their heart beats more than 2 6 billion times (Your pulse is a way you can feel your heart beating )
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
The heart: Anatomy, how it works, and more - Medical News Today 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 center The
Biology of the Heart - Heart and Blood Vessel Disorders . . . The heart and blood vessels constitute the cardiovascular (circulatory) system The heart pumps blood to the lungs so the blood can pick up oxygen, and then pumps oxygen-rich blood to the body
How the Healthy Heart Works - American Heart Association 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 atria, and the lower two are the ventricles (Figure A) The chambers are separated by a wall of tissue called the septum
How the Heart Works | UCSF Department of Surgery Your heart is a muscular organ that acts like a pump to continuously send blood throughout your body Your heart is at the center of your circulatory system This system consists of a network of blood vessels, such as arteries, veins, and capillaries These blood vessels carry blood to and from all areas of your body