Listening and Speaking unit 1 vocabulary

Usual

• Common

• Theory

• Contain

• Occur

protect

• attach

• cell

• defend

• occur

an idea used to explain something

• attach

• theory

• research

• common

To look for something

• produce

• contain

• search

• research

a part of the body that carries messages from the brain to other parts of the body

• sting

• pain

• inject

• nerve

to stop something from happening

• produce

• prevent

• protect

• provide

treatment of an illness

• injection

• hospital

• therapy

• medicine