Heart: Anatomy & Function - Cleveland Clinic
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.
Heart | Structure, Function, Diagram, Anatomy, & Facts | Britannica
2024年9月25日 · 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
The heart functions as a pump in the circulatory system to provide a continuous flow of blood throughout the body. This circulation consists of the systemic circulation to and from the body and the pulmonary circulation to and from the lungs.
The heart: Anatomy, how it works, and more - Medical News Today
2020年9月30日 · Together, the heart, blood, and blood vessels — arteries, capillaries, and veins — make up the circulatory system. In this article, we explore the structure of the heart, how it pumps blood ...
Circulatory System: Anatomy and Function - Cleveland Clinic
2021年9月21日 · The circulatory system (cardiovascular system) pumps blood from the heart to the lungs to get oxygen. The heart then sends oxygenated blood through arteries to the rest of the body. The veins carry oxygen-poor blood back to the heart to start the circulation process over.
How Your Circulatory System Works - Cleveland Clinic
2024年9月4日 · Your circulatory system (heart and blood vessels) works to move blood and oxygen through your entire body. What is the circulatory system? Your body’s circulatory system consists of your heart and blood vessels. They use blood to bring your cells what they need and take away what they don’t.
Cardiovascular system: Function, organs, diseases, and more
2021年7月30日 · The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry...
Cardiovascular System: Organs and Functions Diagram - Verywell …
2024年8月26日 · The cardiovascular system includes the heart, arteries, capillaries, and veins. It plays a vital role in supplying blood with oxygen and nutrients throughout the body. Problems with the cardiovascular system are common, but many are preventable.
Circulatory system: Structure, function, parts, diseases - Kenhub
2023年9月12日 · Also commonly known as the cardiovascular system, is a network composed of the heart as a centralised pump, blood vessels that distribute blood throughout the body, and the blood itself, for transportation of different substances.
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.