Question

what is meant by immune system

Answer 1

heyaa...the organs and processes of the body that provide resistance to infection and toxins. Organs include the thymus, bone marrow, and lymph nodes....
hope I got u

Answer 2

Immune System:

The immune system is a group of cells, proteins, tissues and organs that work together to protect the human body against foreign invaders or disease causing agents such as bacteria and viruses.The organs of the immune system include the lymphatic vessels, lymph nodes, tonsils, thymus, Peyer's patch and spleen.

The system attacks and destroys these harmful substances through a series of steps known as immune response.

Some parts of the immune system are antigen-specific and some are systemic. The antigen-specific immune system acts against a particular antigen, while the systematic parts work throughout the whole body.

Some parts of the immune system have the ability to fight against antigen after they have fought it once.