White Blood Cells, Defends the body against infection, Has a nucleus, Part of the immune system, Leukocyte, Red Blood Cells, Transports oxygen, Biconcave shaped disc, Contains hemoglobin, Erythrocyte, Platelets, Helps with blood clotting, Closes the wound preventing bacterial entry, Cell fragments (broken ________), Thrombocyte

Blood Cells Structure & Function

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