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1. www.kenhub.com › en › libraryCirculatory system: Structure, function, parts, diseases - Kenhub

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   Sep 12, 2023 · The main function of the circulatory (or cardiovascular) system is to deliver oxygen to the body tissues, whilst simultaneously removing carbon dioxide produced by metabolism. Oxygen is bound to molecules called haemoglobin that are on the surface of the red blood cells in the blood.

2. my.clevelandclinic.org › health › bodyHow Your Circulatory System Works - Cleveland Clinic

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   Sep 4, 2024 · What are the four main parts of the circulatory system? The parts of your circulatory system are your: Heart. This muscular organ pumps blood throughout your body. Your heart is the only circulatory system organ. Your lungs are part of your respiratory system. Arteries.

3. www.britannica.com › science › circulatory-systemCirculatory system | Functions, Parts, & Facts | Britannica

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   Oct 22, 2024 · Circulatory system, system that transports nutrients, respiratory gases, and metabolic products throughout a living organism. Circulation includes the intake of metabolic materials, the movement of these materials to and from tissues and organs, and the return of harmful by-products to the environment.

4. biologydictionary.net › circulatory-systemCirculatory System - The Definitive Guide - Biology Dictionary

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   Jan 15, 2021 · Circulatory System Parts. The circulatory system consists of the heart, blood, blood vessels, lymph, and lymphatic vessels. While the heart is the largest “organ” of the circulatory system, it is really only a large blood vessel surrounded by muscles.

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5. www.healthline.com › circulatory-systemCirculatory System Anatomy, Diagram, & Function - Healthline

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   Jun 20, 2023 · The circulatory system consists of four major components: heart. arteries. veins. blood. The heart and its function. About the size of two adult hands held together, the heart rests...

6. en.wikipedia.org › wiki › Circulatory_systemCirculatory system - Wikipedia

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   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.

7. People also ask

   What are the parts of a circulatory system?

   • Your circulatory system is made up of several parts, including your: Heart. This muscular organ works to pump blood throughout your body via an intricate network of blood vessels. Arteries. These thick-walled blood vessels carry oxygenated blood away from your heart. Veins. These blood vessels carry deoxygenated blood back toward your heart.

   Circulatory System: Function, Organs, Diseases - Healthline

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   What organs are in the circulatory system?

   • The circulatory system consists of the heart, blood, blood vessels, lymph, and lymphatic vessels. While the heart is the largest “organ” of the circulatory system, it is really only a large blood vessel surrounded by muscles. The arteries and veins themselves are sometimes considered together as an interconnected organ that spans through the body.

   Circulatory System - The Definitive Guide - Biology Dictionary

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   What is a circulatory system?

   • The circulatory or cardiovascular system is composed of the heart, blood vessels and the blood. It delivers essential substances to the cells of the body.

   Circulatory system: Structure, function, parts, diseases - Kenhub

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   What are the blood vessels of the circulatory system?

   • The blood vessels of the circulatory system are the arteries, veins, and capillaries. The large arteries and veins that take blood to, and away from the heart are known as the great vessels. Oxygenated blood enters the systemic circulation when leaving the left ventricle, via the aortic semilunar valve.

   Circulatory system - Wikipedia

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   How does the circulatory system work?

   • The circulatory system is divided into two separate loops: The shorter pulmonary circuit that exchanges blood between the heart and the lungs for oxygenation; and the longer systemic circuit that distributes blood throughout all other systems and tissues of the body. Both of these circuits begin and end in the heart.

   Circulatory system: Structure, function, parts, diseases - Kenhub

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   Is blood a cellular component of the circulatory system?

   • The blood is the mobile component of the circulatory system. Blood is bright red when oxygenated and dark red/purple when deoxygenated. Blood consists of a cellular component suspended in a liquid called plasma. Plasma is a clear fluid that accounts for approximately 55% of blood, and is composed of over 90% water.

   Circulatory system: Structure, function, parts, diseases - Kenhub

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8. www.healthline.com › health › circulatory-systemCirculatory System: Function, Organs, Diseases - Healthline

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   May 9, 2024 · Your circulatory system is made up of several parts, including your: Heart. This muscular organ works to pump blood throughout your body via an intricate network of blood vessels.