1995
Search results
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.
- kardía (καρδία)
- Circulatory
- cor
- What Are The Parts of The Heart?
- Where Is Your Heart located?
- What Does Your Heart Look like?
- GeneratedCaptionsTabForHeroSec
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.
Learn about the heart, the main organ of your cardiovascular system. Find out how it works, what parts it has, and what can affect its health and function.
Apr 13, 2024 · 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
- Where is the heart located in the human body?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...
- What is the heart wall made up of?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...
- What causes the heart to beat?The pumping of the heart, or the heartbeat, is caused by alternating contractions and relaxations of the myocardium. These contractions are stimula...
- What are heart sounds?The rhythmic noises accompanying the heartbeat are called heart sounds. The two distinct sounds are heard, a low, slightly prolonged “lub” (first s...
Mar 24, 2022 · Learn how your heart is structured and how it pumps blood through your body. Find out about the four chambers, the valves, the tissue layers, and the possible conditions that affect your heart.
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.
The heart, nestled between the lungs and protected by the rib cage, serves as a powerful pump ensuring blood flow throughout the body. This systemic flow delivers oxygen and nutrients to cells and removes waste. Additionally, the heart manages pulmonary flow, sending blood to the lungs for oxygenation before distributing it to the body.
