How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
area where air enter nose; has hairs and mucus to filter out dirt/bacteria; warms and moistens air
windpipe where air flows down to lungs; held open by cartilage rings
flap of tissue that covers trachea when you eat or drink to prevent choking
two big branched air tubes that lead into each lung
smaller branching air tubes that lead to air sacs
grape-like air sacs where oxygen enters bloodstream
tiny blood vessels that cover alveoli
disease caused by smoking where lung cells grow out of control
condition where bronchi and bronchioles close off making it hard to breathe
body reacts badly to dust, smoke or pets making you sneeze
a disease caused by smoking that destroys alveoli permanently
a disease caused by bacteria where air ways are inflamed and mucus fills the bronchi and bronchioles causes coughing
a disease caused by bacteria where the lung is inflamed and mucus fills the alveoli making it very difficult to breathe