White Blood Cells: Move slowly through the blood stream., Protects the body against bacteria., Large, irregularly-shaped cells., Red Blood Cells: Has a chemical called hemoglobin that makes it red., Round and flat cells., Carries oxygen to cells., Plasma: Bring food particles to the body cells., Watery liquid in the blood., Push blood cells along., Collects waste particles., What the majority of blood is made of., Platelets: Small, oval-shaped cells., Help stop bleeding.,

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