What you have selected should be right
Answer:
Streptococcal or Staphylococcal bacteria
Explanation:
They attach themselves to the inner lining of the heart making it to becme inflamed and casing damage to the heart valves.
It detects that the small amount of virus added and it learns to fight off the flu which helps keep you from getting it
B) Peyer’s patches. Located in the mucosa and extend to the submucosa of the small intestine