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- Your heart is located in the middle of your chest. It connects to your blood vessels, which go everywhere throughout your body.
my.clevelandclinic.org/health/body/circulatory-and-cardiovascular-system
Mar 10, 2015 · The heart is the epicenter of the circulatory system, which supplies the body with oxygen and other important nutrients needed to sustain life.
- Coronaries
The heart is one of the hardest working organs in the body,...
- Left Atrium
The left atrium is one of the four chambers of the heart,...
- Coronaries
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 anatomy is crucial to understanding how it functions.
Sep 4, 2024 · Where is it located? Your heart is located in the middle of your chest. It connects to your blood vessels, which go everywhere throughout your body. What are the parts the circulatory system is made of? Your heart and blood vessels make up your circulatory system. Each of these plays a role in moving blood through your body.
Oct 31, 2024 · In humans and other mammals and in birds, the heart is a four-chambered double pump that is the centre of the circulatory system. In humans it is situated between the two lungs and slightly to the left of centre, behind the breastbone; it rests on the diaphragm , the muscular partition between the chest and the abdominal cavity .
- 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 Wall Is Composed of Three Layers. The muscular wall of the heart has three layers. The outermost layer is the epicardium (or visceral pericardium).
- The Atria Are the Heart’s Entryways for Blood. The left atrium and right atrium are the two upper chambers of the heart. The left atrium receives oxygenated blood from the lungs.
- Each Heart Beat Is a Squeeze of Two Chambers Called Ventricles. The ventricles are the two lower chambers of the heart. Blood empties into each ventricle from the atrium above, and then shoots out to where it needs to go.
- The Valves Are Like Doors to the Chambers of the Heart. Four valves regulate and support the flow of blood through and out of the heart. The blood can only flow one way—like a car that must always be kept in drive.
Jul 29, 2020 · It sits in the chest, slightly left of center, behind the breastbone, and between the lungs. A heart that is not healthy does not always produce symptoms. However, certain...
The heart is located under the rib cage -- 2/3 of it is to the left of your breastbone (sternum) -- and between your lungs and above the diaphragm. The heart is about the size of a closed fist, weighs about 10.5 ounces, and is somewhat cone-shaped.
