Hii!! (: The correct answers are:
White blood cells protect against pathogen, pathogens, virus, viruses, bacteria, chemical, chemicals, harmful, substance, substances
(any of these will work) and aid in blood clotting when injuries are sustained.
Lymphocytes include T and B cells that are used to produce antibodies against antigens and destroy pathogens that enter the body.
Phagocytes engulf, destroy, and digest pathogens such as bacteria in the body.
