- SystemCirculatoryArteryAorta, pulmonary trunk and right and left pulmonary arteries, right coronary artery, left main coronary artery
Heart - Wikipedia
The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels. Heart and blood vessels together make the circulatory system. The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, the heart is approximately the size of a closed fist an… See more
StructureThe human heart is situated in the mediastinum, at the level of thoracic vertebrae T5-T8. A double-membraned sac called the pericardium surrounds the heart and attaches to the mediastinum. The back surface of t… See more
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Anatomy of the human heart - Wikipedia
The heart is a muscular organ situated in the mediastinum. It consists of four chambers, four valves, two main arteries (the coronary arteries), and the conduction system. The left and right sides of the heart have different functions: the right side receives de-oxygenated blood through the superior and inferior venae cavae and pumps blood to the lungs through the pulmonary artery, and the left side receives saturated blood from the lungs.
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 10 mins
Cardiac physiology - Wikipedia
See more on en.wikipedia.orgThe heart functions as a pump and acts as a double pump in the cardiovascular system to provide a continuous circulation of blood throughout the body. This circulation includes the systemic circulation and the pulmonary circulation. Both circuits transport blood but they can also be seen in terms of the gases they carry…- Estimated Reading Time: 11 mins
Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica
Oct 31, 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 …
Heart - Simple English Wikipedia, the free encyclopedia
The heart is an organ found in every vertebrate. It is a very strong muscle. It is on the left side of the body in humans and is about the size of a fist. It pumps blood throughout the body. It has …
Human heart: Anatomy, function & facts - Live Science
Jul 27, 2022 · The human heart is an organ that pumps blood throughout the body via the vessels of the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other...
Heart - Wikiwand
The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels. [1] Heart and blood vessels together make the circulatory system. [2] The pumped …
How the Heart Works - What the Heart Looks Like
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 …
Heart: Anatomy & Function - Cleveland Clinic
Your heart’s main function is to move blood throughout your body. Blood brings oxygen and nutrients to your cells. It also takes away carbon dioxide and other waste so other organs can …
Human Physiology/The cardiovascular system - Wikibooks
Jun 7, 2024 · The heart is a hollow, muscular organ about the size of a fist. It is responsible for pumping blood through the blood vessels by repeated, rhythmic contractions. The heart is …
Human heart - Wikiversity
The human heart is a muscular organ located in the chest cavity, slightly to the left of the midline. It is responsible for pumping blood throughout the body via the circulatory system. The heart …
Heart valve - Wikipedia
A heart valve is a biological one-way valve that allows blood to flow in one direction through the chambers of the heart. A mammalian heart usually has four valves. Together, the valves …
Heart (Human Anatomy): Overview, Function & Structure | Biology
Oct 4, 2019 · Learn about the heart, a muscular organ that pumps blood throughout the body. Find out how the heart is composed of four chambers, three layers, and two circuits, and how …
Anatomy of the Human Heart - Physiopedia
The heart is a muscular organ that serves to collect deoxygenated blood from all parts of the body, carries it to the lungs to be oxygenated and release carbon dioxide. Then, it transports …
Heart anatomy: Structure, valves, coronary vessels | Kenhub
Nov 3, 2023 · The heart is a muscular organ that pumps blood around the body by circulating it through the circulatory/vascular system. It is found in the middle mediastinum, wrapped in a …
How the Heart Works - The Heart - NHLBI, NIH
Mar 24, 2022 · Learn about your heart’s anatomy, blood flow, electrical system and heartbeat, and heart conditions and diseases.
Circulatory system - Wikipedia
The circulatory system is a system of organs that includes the heart, blood vessels, and blood which is circulated throughout the entire body of a human or other vertebrate.
Human Anatomy/The Heart - Wikibooks, open books for an open …
Contents. 1 Introduction. 1.1 Surface Anatomy. 1.2 Vessels of the Heart. 1.3 Valves of the Heart. 1.4 Cardiac Muscle. 2 The Cardiac Conduction System. 2.1 Types of Cells Involved. 2.2 Nodes.
Anatomy of the Heart - Textbook of Cardiology
Jan 11, 2021 · The shape of the heart is generally likened to a pyramid. The apex points downwards, forwards and to the left while the base faces posteriorly and to the right. While the …
Heart - Wikimedia Commons
Aug 13, 2023 · Human heart. Diagram of the human heart. Aorta. Heart. Atrial septal defect-null. Atrial septal defect-en. Atrial septal defect-tr. Gray's anatomy [edit] Heart and lungs. Human …
