With lots of care, listening to all they say and do, even if you think it's silly...
People with disabilities, elder people, public retired people, pensions, veterans people.
Answer:
The immune (ih-MYOON) system attacks germs and helps keep us healthy. What Are the Parts of the Immune System? ... White blood cells, also called leukocytes (LOO-kuh-sytes), play an important role in the immune ... That way, if the immune system encounters that antigen again, the antibodies are ready to do their job
Explanation:
