Antibodies are proteins produced by lymphocytes as a result of an immune response. the antibodies can fight

The antibodies can fight Infections and eliminate antigens.

Explanation:

Antibodies or immunoglobulins are protective protein produced by the lymphocytes of immune system in response to foreign substance called antigens. Antibodies recognise and bind to antigens in order to remove them from the body.

When a foreign substance enter the body, the immune system is able to recognise it as foreign because antigen molecules on the surface differ from the body, the immune system produce antibodies to eliminate it.

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.