Unit 11 - Understanding New Vocabulary

An illness that can affect a person or animal, disrupting normal bodily functions.

To make food or drink pass from the mouth to the stomach.

To cause disease or spread germs to a person, animal, or plant.

A tiny organism that can cause disease, much smaller than bacteria, and requires a living host to multiply.

A single-celled organism that can exist either as independent organisms or as parasites, some of which can cause disease.

A type of clothing typically worn on formal occasions, consisting of a jacket and pants made of the same material.

The system in your body that fights off infections and keeps you healthy.

A minor injury that removes the top layer of skin, usually caused by rubbing or scraping against something rough.

A tool that makes small objects look larger so that you can see things too small for the naked eye.

To cause someone or something to become unable to move or function properly.

The smallest structural and functional unit of an organism, typically microscopic.

A thick, slippery substance produced by the body, often in the nose, that helps to trap dust, bacteria, and other particles.

____ is a more severe illness. Although it also typically resolves without treatment, sometimes it causes serious and even life-threatening problems like pneumonia.

_____ must be diagnosed by a medical expert.

A viral infection that affects the nose and throat, usually less severe than the flu.

A common viral infection that affects the respiratory system and is more severe than the common cold.

_______ is / are more common, cause a milder illness, and typically resolve without treatment.

_____ can be a perceived notion of unwellness or derive from self-diagnosis.