Human Body's Defense System Quiz

What is the primary function of the skin in the body's defense system?

• To digest food

• To transport oxygen

• To act as a physical barrier

• To produce antibodies

How does the stomach contribute to the body's defense against pathogens?

• By increasing body temperature

• By producing hydrochloric acid

• By secreting mucus

• By producing antibodies

What is the process called where white blood cells engulf pathogens?

• Antibody production

• Phagocytosis

• Antitoxin creation

• Mucus secretion

What do antitoxins produced by white blood cells do?

• They destroy red blood cells

• They neutralize toxins

• They bind to antigens

• They increase mucus production

How do antibodies help in the immune response?

• They directly kill pathogens

• They signal white blood cells to destroy pathogens

• They lower body temperature

• They increase the production of red blood cells