Question

The proteins that help defend the body against bacteria, toxins, and allergens are called

Answer 1

The proteins that help defend the body against bacteria, toxins, and allergens are called antibodies. The antibody (Ab) protein is also known as an immunoglobulin (Ig).
These large Y-shaped proteins are produced by the immune system in order to prevent the body in response to the presence of a foreign substance. The foreign substance is called antigen.