Wednesday, 26 November 2025

Circulatory system

 

 CIRCULATORY SYSTEM 


The circulatory system is a vast network of organs and vessels that is responsible for the flow of blood, nutrients, hormones, oxygen and other gases to and form cells. Without the circulatory system, the body would not be able to fight diseases or maintain a stable internal environment such as proper temperature and pH - known as homeostasis.
While many view the circulatory system, also known as the cardio vascular system, as simple as highway for blood it is made up of three independent systems that work together ; the heart, lungs and arteries, veins, coronary and portal vessels according to the U.S MLM.
The heart, blood and blood vessels make up the cardiovascular component of the circulatory system. The pulmonary circulatory system sends oxygen- depleted blood away from the heart through the pulmonary artery to the lungs and returns oxygenated blood to the heart through the pulmonary vein.
Oxygen deprived blood enters the right atrium of the heart and flow through the tricuspid value into the right ventricle. From their it pumped through the pulmonary semilunar value into the pulmonary artery on its way to the lungs. When it gets to the lungs, the carbon dioxide is released from the blood and oxygen is absorbed. The pulmonary vein sends the oxygen rich blood back to the heart according to NLM. 
The system is circulation is the portion of the circulatory system is the network of veins, arteries and vessels that transports blood from heart, services the body's cells and then re-enters the heart the mayo clinic noted.


  
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