Question

Define 1.Antigen 2.Antibody

Answer 1

1) a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.

2) a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood

Answer 2

1) The surface of blood cells has a substance called antigens, which are made up of inherited proteins.

2) The immune system produces proteins called antibodies, which destroy foreign particles and prevent diseases.