Lymphocyte

The video explains the immune system's lymphocytes, focusing on B cells and T cells. These cells collaborate to form a defense system by producing antibodies, which help the body recognize and remember past invaders, thereby building immunity.

What is the sophisticated defense system produced by lymphocytes?

What are the two main types of lymphocytes mentioned in the text?

How do B cells and T cells work together in the immune system?

What is the role of antibodies in the immune system?

What does it mean to build up immunity?