Class II

Leukocytes are found in lots of places, including an organ in your belly that filters blood and helps fight infections known as the:
  1. Heart
  2. Spleen
  3. Kidneys
  4. Brain
To be “immune” means what?
  1. That you are infected
  2. That you are bald
  3. That you are more likely to get sick
  4. That you are protected
Lymph nodes are found in the:
  1. Neck
  2. Armpits
  3. Groin
  4. All of the above
The immune system is made up of:
  1. Tissues
  2. Organs
  3. Cells
  4. All of the above
Getting these when you’re young helps your immune system fight off diseases:
  1. Stickers
  2. Bandages
  3. Shots (immunizations)
  4. Cough drops
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