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In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastinum. [3] In humans, other mammals, and birds, the heart is divided into four chambers: upper left and right atria and lower left and right ventricles.
30. Juli 2020 · The heart is located in the thoracic cavity medial to the lungs and posterior to the sternum. On its superior end, the base of the heart is attached to the aorta,mycontentbreak pulmonary arteries and veins, and the vena cava. The inferior tip of the heart, known as the apex, rests just superior to the diaphragm.
16. Mai 2024 · Where is the heart located in the human body? What is the heart wall made up of? What causes the heart to beat? What are heart sounds? heart, organ that serves as a pump to circulate the blood.
- The Editors of Encyclopaedia Britannica
- In humans, the heart is situated between the two lungs and slightly to the left of center, behind the breastbone. It rests on the diaphragm, the mu...
- The heart consists of several layers of a tough muscular wall, the myocardium. A thin layer of tissue, the pericardium, covers the outside, and ano...
- The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
- The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...
27. Juli 2022 · By Scott Dutfield, Tanya Lewis. last updated 27 July 2022. The human heart is an organ that pumps blood throughout the body via the circulatory system. (Image credit: Getty Images) Jump to:...
3. Okt. 2022 · This interactive atlas of human heart anatomy is based on medical illustrations and cadaver photography. The user can show or hide the anatomical labels which provide a useful tool to create illustrations perfectly adapted for teaching.
Introduction. The heart is a muscular organ that serves to collect deoxygenated blood from all parts of the body, carries it to the lung s to be oxygenated and release carbon dioxide. Then, it transports the oxygenated blood from the lungs and distributes it to all the body parts [1]
6. Juni 2014 · Do you want to learn more about the anatomy and function of the human heart? Watch this 3D medical animation that shows how the heart pumps blood throughout the body and what happens when it is ...
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- Nucleus Medical Media
