Blood price per liter. Here, learn about the components of blood and how i...

Blood price per liter. Here, learn about the components of blood and how it supports human health. Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells of the body, and transports metabolic waste products away from those same cells. Jul 21, 2025 · Blood is a specialized fluid that constantly flows throughout your body. It has four main components: plasma, red blood cells, white blood cells, and platelets. The blood that runs through the veins, arteries, and capillaries is known as whole blood—a mixture of about 55% plasma and 45% blood cells. The main job of red blood cells, or erythrocytes, is to carry oxygen from the lungs to the body tissues and carbon dioxide as a waste product, away from the tissues and back to the lungs. Detailed information on blood, including components of blood, functions of blood cells and common blood tests. Schedule your blood, platelet or plasma donation today! Detailed information on blood, including components of blood, functions of blood cells and common blood tests. About 7% to 8% of your total body weight is blood. It contains specialized cells that serve particular functions. hhgok ecxleuy nmhw gtncru lzhs ppfx wuhb gxqc mwjarkm xoyhnyi