Disease causing agents such as bacteria and viruses are called _______________.

• pathogens

• antibodies

• villians

• particles

What is the primary function of your immune system?

• to create organelles

• to protect your body from pathogens

• to aid in blood circulation

• to protect your bones and muscles

First line defenses include

• skin

• hair

• mucus

• all of the above

Which parts of the respiratory system keep pathogens from reaching the inside of your body? (select all that apply)

• nose hair

• lungs

• mucus

• blood

White blood cells and inflammatory response is part of what line of defense?

• first line

• second line

• third line

• fourth line

What is the best definition of antibodies?

• antibiotics that help you when you are sick

• organs that create pathogens

• pathogens that enter the bloodstream

• proteins that attach to antigens and make them useless

All bacteria cause illness and disease.

• TRUE

• FALSE

Most bacterial diseases can be treated with _______________.

• antibiotics

• carcinogens

• pathogens

• microbes

Viruses include... (select all that apply)

• flu

• common cold

• measles

• chicken pox

• food poisoning

Bacteria are smaller than viruses.

• TRUE

• FALSE