Components of Blood Your blood has four components: Plasma

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Presentation transcript:

Components of Blood Your blood has four components: Plasma White blood cells (leukocytes) Red blood cells (erythrocytes) Platelets (thrombocytes)

PLASMA Plasma makes up 55% of your blood. This fluid contains proteins, glucose, hormones, gases, and other substances dissolved in water.

RED BLOOD CELLS AND WHITE BLOOD CELLS Pick up oxygen and transport it through the body, delivering it to other cells WHITE BLOOD CELLS Help your body fight infection by attacking disease-causing organisms

PLATELETS Platelets are large cell fragments that help form blood clots when a blood vessel is injured. After an injury occurs, platelets nearby begin to enlarge and become sticky, sticking to the injured area and releasing blood-clotting chemicals. Blood clotting keeps blood vessels from losing too much blood.