Heart | Structure, Function, Diagram, Anatomy, & Facts
WEBApr 13, 2024 · 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.
Heart - Wikipedia
WEBThe 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.
Heart: Anatomy & Function - Cleveland Clinic
WEBJan 26, 2024 · The heart is a fist-sized organ that pumps blood throughout your body. It’s your circulatory system ’s main organ. Muscle and tissue make up this powerhouse organ. Your heart contains four muscular sections ( chambers) that briefly hold blood before moving it. Electrical impulses make your heart beat, moving blood through these chambers.
Heart disease - Symptoms and causes - Mayo Clinic
WEBAug 25, 2022 · Overview. Heart disease describes a range of conditions that affect the heart. Heart diseases include: Blood vessel disease, such as coronary artery disease. Irregular heartbeats (arrhythmias) Heart problems you're born with (congenital heart defects) Disease of the heart muscle. Heart valve disease.
The heart: Anatomy, how it works, and more - Medical News Today
WEBSep 30, 2020 · Here, learn about the structure of the heart, what each part does, and how it works to support the body. We also explore the electrical impulses and the role of CPR.
How the Heart Works - What the Heart Looks Like | NHLBI, NIH
WEBMar 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.
How the Heart Works - The Heart | NHLBI, NIH
WEBMar 24, 2022 · Your heart is at the center of your circulatory system. This system is a network of blood vessels, such as arteries, veins, and capillaries, that carries blood to and from all areas of your body. Your blood carries the oxygen and nutrients that your organs need to work properly.
The Anatomy of the Heart - Verywell Health
WEBNov 12, 2023 · What Is the Heart? Learn how this fist-sized organ pumps blood through your body, how it works, its anatomy, what conditions affect it, and more.
Heart 101 | National Geographic - YouTube
WEBFeb 21, 2019 · 52K. 6M views 5 years ago #NationalGeographic #Educational #Hearts. The human heart beats up to 3 billion times over an average lifespan. Learn about the anatomy of the heart and how this...
Meet the heart! (video) | Khan Academy
WEBThe 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.
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