what is the function of the tonsils and adenoid
Tonsils. Tonsils are lumps of soft tissue and are part of the immune system. You have two tonsils, one on either side at the back of the mouth. Tonsils vary in size from person to person. A main function of tonsils is to trap germs (bacteria and viruses) which you may breathe in. Proteins called antibodies produced by the immune cells in the tonsils help to kill germs and help to prevent throat and lung infections.
You cannot see your adenoids. If needed, a doctor can look at the adenoids either by using a light and a small mirror held at the back of the mouth, or by using a small flexible telescope. Occasionally, an X-ray is done to determine the size of the adenoids. Like tonsils, adenoids help to defend the body from infection. They trap bacteria and viruses which you breathe in through your nose. They contain cells and antibodies of the immune system to help prevent throat and lung infections.