Amoeba Sisters: Immune System

What is the primary function of the immune system?

• To regulate body temperature

• To protect the body from pathogens

• To support body movement

• To provide energy to the body

Which of the following is considered the body's first line of defense?

• White blood cells

• Skin

• Antibodies

• Vaccines

Which of the following is the immune system's second line of defense?

• Secondary Immune Response

• Inflammatory Response

• Immune Response

What triggers the inflammatory response?

• A virus entering the brain

• A cut on the skin

• Eating contaminated food

• Exercising too much

What role do macrophages play in the immune system?

• They produce antibodies

• They consume pathogens

• They help in blood clotting

• They regulate body temperature

What is the role of the complement system in the immune response?

• To complement the actions of the immune system

• To produce antibodies

• To regulate body temperature

• To heal wounds

What is the main function of cytotoxic T cells?

• To stimulate the production of mucus

• To remember pathogens for future defense

• To destroy infected cells

• To produce histamine

How do antibodies help in fighting infections?

• By increasing body temperature

• By consuming pathogens

• By producing histamine

• By binding to antigens and neutralizing pathogens

What is the purpose of memory cells in the immune system?

• To heal wounds

• To regulate body temperature

• To remember and quickly respond to previously encountered pathogens

• To produce mucus

How do vaccines work to protect the body from diseases?

• By causing the disease in a mild form

• By cooling the body

• By blocking pathogens from entering the body

• By introducing weakened pathogens to stimulate an immune response