Unit 2: Respiration (vocabulary review)

the tube in the body that carries air from the throat to the lungs

• carbon dioxide

• windpipe

• air sac

being the only one of its kind

• viral

• congested

• unique

a small private hospital, especially one where old people live and are cared for

• pollution

• urban area

• nursing home

to annoy somebody, especially by something you continuously do

• irritate

• circulate

• sneez

used as a polite word for ‘old’

• elderly

• daily

• quality

the act or process of causing or getting a disease

• senior

• ailment

• infection

the fact of leaving your job and stopping work, usually because you have reached a particular age

• pneumonia

• retirement

• infection

to make food, drink, etc. go down your throat into your stomach

• digest

• swallow

• breathe

to breathe out the air or smoke, etc. in your lungs

• exhale

• inhale

• circulate

any animal that gives birth to live young, not eggs, and feeds its young on milk

• poultry

• reptile

• mammal