A) Cells Differents types Form tissues Cell division B) Cell Types Nerve cells or Neurons: Signals. Red Blood Cells: Oxygen, Carbon dioxide. White Blood Cells: Diseases, Bone Cells or Osteocytes: Bones. Skin Cells or Epithelial Cells: Protect, organs. Liver Cells or Hepatocytes: Blood sugar, detoxify. Fat Cells: Energy, protect. Muscle Cells or Myocytes: Muscles, movement.