Question

which are called antibodies

Answer 1

Antibody: The substances which acts against the antigens and neutralises its effects are the antibodies.
This are made up of the protein particles.

Answer 2

Answer:

Antibodies are glycoproteins and are also called immunoglobulins. They are present in the blood and function together with the human immune system. They are used by the immune system to identify, attack and kill foreign objects such as bacteria and viruses. They can also be produced by medical science and used to boost the immunity of patients to prevent infection.