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 primary function of the immune system?

• To digest food

• To produce energy

• To defend the body against invaders

• To regulate body temperature

Which of the following are the main types of lymphocytes?

• C cells and D cells

• B cells and T cells

• A cells and B cells

• E cells and F cells

What is the role of B cells in the immune system?

• To produce antibodies

• To regulate hormones

• To transport oxygen

• To digest bacteria

How do T cells contribute to the immune response?

• By storing fat

• By producing insulin

• By attacking infected cells

• By transporting nutrients

What is the significance of antibodies in the immune system?

• They regulate temperature

• They recognize past invaders

• They provide energy

• They help in digestion