Answer:
Autoimmunity
Explanation:
The process by which the body attacks itself is called as autoimmunity. Autoimmune can be described as a immune response of the body that is generated against the bodies own healthy cells and tissues. The diseases which occur due to the cause of autoimmunity are termed as auto immune diseases. Examples of autoimmune diseases include Diabetes mellitus type 1, celiac disease, idiopathic thrombocytopenic purpura, rheumatoid arthritis (RA), Multiple sclerosis (MS).
Answer: Air passages aids the body in the exchange of gases between the air and blood.
F, Cl, Br, I, At, and Uus are all halogens.
