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Blood is a circulating fluid that provides nutrition, oxygen, and removes waste from the body. It is mostly liquid, containing suspended cells and proteins, making it thicker than water. The average person has about 5 liters of blood. Blood is composed of plasma, which is 90% water containing proteins, minerals, waste, and other factors, and blood cells including red blood cells that carry oxygen, white blood cells that fight infection, and platelets that help with clotting.
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- 5. Blood is aconstantly circulating fluid providing the body with nutrition, oxygen, and waste removal. Blood is mostly liquid, with numerous cells and proteins suspended in it, making blood "thicker" than pure water. The average person has about 5 liters (more than a gallon) of blood
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- 7. Blood plasma isthe liquid component of blood, consisting of around half of the total blood volume Plasma itself is around 90% water, with the 10% remainder including proteins, minerals, waste products, clotting factors, hormones and immunoglobins.
- 8. RED BLOOD CELLS (Erythrocytes) Themost abundant cells in our blood; they are produced in the bone marrow and contain a protein called hemoglobin that carries oxygen to our cells.
- 9. They are partof the immune system and destroy infectious agents called pathogens. WHITE BLOODCELLS (Leukocytes)
- 10. The clotting factorsthat are carried in the plasma; they clot together in a process called coagulation to seal a wound and prevent a loss of blood. PLATELETS (Thrombocytes) –