Blood

• Red blood cells - carry oxygen, pigmented red by haemoglobin
• White blood cells - fights infections, phagocytes engulf pathogens, lymphocytes, produce antibodies to clump pathogens together
• Platelets - blood clotting, cell fragments release chemicals Called clotting factors which prevent blood loss
• Plasma - transporting cells and molecules around Body straw (hay) coloured liquid that platelets are suspended in such as glucose and co2