Immunity and vaccinations bell task

What do scientists call bacteria and viruses that make people sick?

• Diseases

• Antibodies

• Vaccines

• Pathogens

What are the protein markers found on the surface of all cells called?

• Antibodies

• Antigens

• Pathogens

• Memory cells

What does the body produce in response to invading pathogens?

• Memory cells

• Antibodies with a complimentary shape to the pathogen's antigens

• Antigens with a complimentary shape to the pathogen's antibodies

• White blood cells with receptors complimentary to the antigens on the pathogen

Vaccinations are used for

• Curing illnesses

• Spreading illnesses

• Preventing illnesses

Vaccines contain weakened or dead pathogens

• True

• False

Vaccines stimulate the body to produce

• Antigens

• Antibodies

• White blood cells

After you have been vaccinated, what happens when an active form of the pathogen enters your body?

Unvaccinated people are protected by immunity