Any organism that causes disease like a virus or bacteria is called:

• Antibiotics

• Antibody

• Pathogen

• Phagocyte

A white blood cell that destroys pathogens by engulfing them and breaking them down is called:

• B-cell

• Phagocyte

• Antibody

• Antigen

Part of the body's defence against pathogens, in which cells of the immune system react to a pathogen with a defence targeted specifically at that particular pathogen:

• Protective Barrier

• Inflammatory Response

• Immune Response

• Stomach acid

White blood cells that distinguish between each kind of pathogen and produce specific antibodies:

• Lymphocyte

• Phagocyte

• Pathogen

• Antigen

The process by which harmless antigens or weak forms of a pathogen are introduced into a person's body to protect against such a disease is called:

• Vaccination

• Immunity

• Passive Immunity

• Protective Barrier

A chemical that kills bacteria or slows their growth is called:

• Antivirals

• Vaccine

• Antibiotics

• Antigen

What is a function of the IMMUNE system?

• To transport materials like oxygen to our cells

• To break down food and absorb the nutrients

• To fight off diseases with white blood cells

• To control the body using the brain

Which is NOT a part of the immune system?

• White Blood Cells

• Lymph

• Lymph nodes

• Liver

Which of the following is a way to spread infectious diseases?

• Touching contaminated objects

• Not washing hands regularly

• Being near infected people

• All of these are ways

COVID-19 (coronavirus) is caused by a pathogen. True or false?

• TRUE

• FALSE