Heart - Wikipedia
网页The heart is a muscular organ found in most animals. This organ pumps blood through the blood vessels of the circulatory system. [ 1 ] The pumped blood carries oxygen and nutrients to the body, while carrying metabolic waste such as carbon dioxide to the lungs. [ 2 ]
Heart: Anatomy & Function - Cleveland Clinic
网页2024年1月26日 · Your muscular heart, the main organ in your cardiovascular system, is vital for life. Its parts work together to move blood through your body in a coordinated way. It constantly sends oxygen to your cells and takes away waste. Many conditions can affect this organ and keep it from working well.
Heart | Structure, Function, Diagram, Anatomy, & Facts
网页2024年9月9日 · Where is the heart located in the human body? What is the heart wall made up of? What causes the heart to beat? What are heart sounds? heart, organ that serves as a pump to circulate the blood.
How the Heart Works - What the Heart Looks Like - NHLBI, NIH
网页2022年3月24日 · 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.
Human Heart - Anatomy, Functions and Facts about Heart - BYJU'S
网页Human Heart is a muscular organ, it is mainly responsible for circulating blood throughout the body through blood vessels. Explore its structure, functions and facts only at BYJU'S Biology
Heart Anatomy: Labeled Diagram and Quick Reference - Verywell …
网页2024年6月11日 · 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.
Human heart: Anatomy, function & facts - Live Science
网页2022年7月27日 · 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 anatomy: Structure, valves, coronary vessels | Kenhub
网页2023年11月3日 · 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 two-layered serous sac called the pericardium.
Anatomy of the human heart - Wikipedia
网页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.
Heart Pictures, Diagram & Anatomy | Body Maps - Healthline
网页2015年3月10日 · The heart is a mostly hollow, muscular organ composed of cardiac muscles and connective tissue that acts as a pump to distribute blood throughout the body’s tissues.