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The blood contains fluid (plasma) with numerous cells. There are red blood cells that transport oxygen from the lungs to body cells. White blood cells include many involved in the immune system, such as T-cells and B-cells. Platelets are blood cells involved in clotting.
Blood: A tissue with red blood cells, white blood cells, platelets, and other substances suspended in fluid called plasma. Blood takes oxygen and nutrients to the tissues, and carries away wastes.
Source: National Institute of Health
Blood : fluid that circulates through the heart, arteries, capillaries and veins, carrying nutriment and oxygen to and waste from the body cells; it consists of plasma, containing microscopically visible formed elements of the blood; erythrocytes; leukocytes; and blood platelets.
Blood carries oxygen and nutrients to the body's cells, and carries waste materials away. Blood also carries hormones, which control body processes, and antibodies, to fight invading germs. The heart is the pump that keeps this transport system moving. Together, the blood, heart, and blood vessels form the circulatory system.
Blood: Circulating fluid carrying food and oxygen around the body.
Condition count: 59 ; see list below.
Organ types: Circulatory system (151)
Main condition: blood conditions
Organs: list of all organs
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