23. Healthy working

Fill in the missing words.

a special vehicle used to take sick or injured people to hospital

a pain you feel inside your head

to stay away from someone or something

a pain in your back

the condition of the body and the degree to which it is free from illness, or the state of being well

physically or mentally ill; not well or healthy

(an) illness of people, animals, plants, etc., caused by infection or a failure of health rather than by an accident

pain in your stomach

to feel pain in a part of your body, or to injure someone or cause them pain

basic medical treatment that is given to someone as soon as possible after they have been hurt in an accident or suddenly become ill