Unit 2 Vocabulary

disease that is carried in the air

immune systems reaction to irritant like pollen and dust

severe immune response to allergies

proteins produced by the body in response to allergens or pathogens

disease where the muscles around the airways contract, tissues swell, and extra mucus is produced, making it hard to breathe.

one-celled organism found in living things. can be helpful or harmful.

disease that is carried in the blood

disease that occurs when the body's cells grow out of control

illness or disease that's on going or lasts for a long time

condition in which airways and/or air sacs become inflamed in the lungs making it difficult to breathe.