Answer: the antigens identify the foreign invader
Explanation:The first step is to maintain a good diet and to eat what is necessary for the body.If you have any enquiries please consult a dietitian.And don't forget to exercise daily or just walk for one or half an hour.For adults constantly try checking the:- blood pressure,sugar,cholesterol,etc
PTCB CPhTs must complete 20 hours of CE during each two year recertification cycle.