1995
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Heart
1987
2 days ago · Learn about the structure and function of the human heart, a four-chambered double pump that circulates blood through the body. Explore the history, evolution, and diseases of the heart, and see diagrams and videos.
- 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...
The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs.
- What Are The Parts of The Heart?
- Where Is Your Heart located?
- What Does Your Heart Look like?
The parts of your heart are like the parts of a building. Your heart anatomy includes: 1. Walls. 2. Chambers that are like rooms. 3. Valvesthat open and close like doors to the rooms. 4. Blood vesselslike plumbing pipes that run through a building. 5. An electrical conduction systemlike electrical power that runs through a building.
Your heart is in the front of your chest. It sits slightly behind and to the left of your sternum (breastbone), which is in the middle of your chest. Your heart is slightly on the left side of your body. It sits between your right and left lungs. The left lung is slightly smaller to make room for the heart in your left chest. Your rib cage protects...
Your heart looks a little bit like an upside-down pyramid with rounded edges. Large blood vessels go into and out of your heart to bring blood into and away from your heart. They connect your heart to the rest of your body, which it supplies with blood and oxygen.
Aug 25, 2022 · Learn about the different types of heart disease, their symptoms and causes, and how to prevent or treat them. Find out when to see a doctor and how to stay healthy.
Sep 30, 2020 · Learn about the structure, function, and circulation of the human heart, a muscular organ that pumps blood throughout the body. Find out how the heart valves, electrical system, and blood vessels work together to deliver oxygen and nutrients and remove waste.
Nov 12, 2023 · Learn about the structure, function, and common problems of the heart, the primary organ of the cardiovascular system. Find out how the heart pumps blood, regulates blood flow, and responds to stress and disease.
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 valves, which make sure that the blood keeps flowing in the right direction.
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related to: HeartOffering access to the most advanced treatments. Request an appointment today. Giving new hope to patients with heart disease. Request an appointment today.
