Blood circulation
Blood circulation refers to the continuous movement of blood through the cardiovascular system, delivering essential nutrients and oxygen to all cells and tissues of the body. This process is vital for life and is regulated by the heart, which acts as a pump to maintain the flow of blood.
Overview[edit | edit source]
Blood circulation is a complex process that involves several components, including the heart, blood vessels, and blood. The heart pumps the blood, which carries oxygen and nutrients, to different parts of the body through a network of blood vessels. This process is essential for the survival and function of all cells and tissues in the body.
Components of Blood Circulation[edit | edit source]
Heart[edit | edit source]
The heart is a muscular organ that pumps blood through the blood vessels of the circulatory system. It is divided into four chambers: the left and right atria and the left and right ventricles. The heart contracts and relaxes in a cycle known as the cardiac cycle, which propels blood throughout the body.
Blood Vessels[edit | edit source]
Blood vessels are the channels through which blood is distributed to body tissues. The three major types of blood vessels are arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart to the tissues, except for pulmonary arteries, which carry deoxygenated blood to the lungs. Veins carry deoxygenated blood from the tissues back to the heart, except for pulmonary veins, which carry oxygenated blood from the lungs to the heart. Capillaries connect arteries and veins and facilitate the exchange of oxygen, nutrients, and waste products between blood and tissues.
Blood[edit | edit source]
Blood is a body fluid that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells. It is composed of blood cells suspended in blood plasma.
Types of Blood Circulation[edit | edit source]
There are two main types of blood circulation: systemic circulation and pulmonary circulation. Systemic circulation is the part of the cardiovascular system which carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart. Pulmonary circulation is the portion of the cardiovascular system which carries deoxygenated blood away from the heart, to the lungs, and returns oxygenated blood back to the heart.
See Also[edit | edit source]
This physiology-related article is a stub. You can help WikiMD by expanding it.
Search WikiMD
Ad.Tired of being Overweight? Try W8MD's physician weight loss program.
Semaglutide (Ozempic / Wegovy and Tirzepatide (Mounjaro / Zepbound) available.
Advertise on WikiMD
|
WikiMD's Wellness Encyclopedia |
| Let Food Be Thy Medicine Medicine Thy Food - Hippocrates |
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
Medical Disclaimer: WikiMD is not a substitute for professional medical advice. The information on WikiMD is provided as an information resource only, may be incorrect, outdated or misleading, and is not to be used or relied on for any diagnostic or treatment purposes. Please consult your health care provider before making any healthcare decisions or for guidance about a specific medical condition. WikiMD expressly disclaims responsibility, and shall have no liability, for any damages, loss, injury, or liability whatsoever suffered as a result of your reliance on the information contained in this site. By visiting this site you agree to the foregoing terms and conditions, which may from time to time be changed or supplemented by WikiMD. If you do not agree to the foregoing terms and conditions, you should not enter or use this site. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.
Contributors: Prab R. Tumpati, MD
