Respiratory System Crossword

to bring about the exchange of oxygen and carbon dioxide between blood, air and tissures
serves as passage way for both food and air
another name for windpipe
the hairs lining the nasal cavity
moistens the air
this is located at the top of the trachea
the two large passageways in the chest cavity
smaller branches of the Bronchi
tiny air sacs
this muscle helps you breathe
you breathe in this
you exhale this
one of the three most dangerous substances in smoking
this is a poisonous gas
this is a cancer causing agent in tobacco
this is a long term smoking disease
when the bronchi become swollen and clogged
about 160,000 people get this every year
if someone asks you to smoke you should say this