Heart: Anatomy & Function - Cleveland Clinic
2024年1月26日 · As the main organ of your circulatory system, your heart keeps you alive. It pumps blood throughout your body, bringing oxygen to your cells and tissues. Since your heart plays such a vital role, it’s important to take care of it. Conditions that affect your heart are very common, but you have the power to make changes for a stronger heart.
Heart anatomy: Structure, valves, coronary vessels | Kenhub
2023年11月3日 · Do you find the anatomy of the heart confusing? Learn actively all the features of this organ and cement them long term by testing yourself using Kenhub's diagrams, quizzes and worksheets of the heart !
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 | Structure, Function, Diagram, Anatomy, & Facts | Britannica
6 天之前 · heart, organ that serves as a pump to circulate the blood. It may be a straight tube, as in spiders and annelid worms, or a somewhat more elaborate structure with one or more receiving chambers (atria) and a main pumping chamber (ventricle), as in mollusks.
How the Heart Works - What the Heart Looks Like - NHLBI, NIH
2022年3月24日 · Anatomy of the interior of the heart. This image shows the four chambers of the heart and the direction that blood flows through the heart. Oxygen-poor blood, shown in blue-purple, flows into the heart and is pumped out to the lungs.
Human Heart - Anatomy, Functions and Facts about Heart - BYJU'S
Let us gain a deeper insight into the various anatomical structures of the heart: The human heart is about the size of a human fist and is divided into four chambers, namely two ventricles and two atria. The ventricles are the chambers that pump blood …
Anatomy of the Human Heart - Physiopedia
The heart pumps around 7,200 litres of blood in a day throughout the body. The heart is situated at the centre of the chest and points slightly towards the left. On average, the heart beats about 100,000 times a day, i.e., around 3 billion beats in a lifetime.
Heart Anatomy: Labeled Diagram and Quick Reference - Verywell …
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.
Anatomy, Thorax, Heart - StatPearls - NCBI Bookshelf
2023年8月28日 · The heart is a muscular organ situated in the center of the chest behind the sternum. It consists of four chambers: the two upper chambers are called the right and left atria, and the two lower chambers are called the right and left ventricles.
The Heart | Circulatory Anatomy - Visible Body
The heart is a hollow, muscular organ that pumps oxygenated blood throughout the body and deoxygenated blood to the lungs. This key circulatory system structure is comprised of four chambers. One chamber on the right receives blood with waste (from the body) and another chamber pumps it out toward the lungs where the waste is exhaled.