oxygen
in the lungs
your ugly
blood takes oxygen and gives carbon dioxide to the lungs
The gas that we don't use in our lungs we breathe out again.
oxigen is the gas that enters the blood through the lungs
The chlorine in mustard gas bonds with the water in your lungs to form hydrochloric acid and burns your lungs
Carbon
oxigen is the gas that enters the blood through the lungs
through your mouth
The gas exchange that takes place in the lungs are carbon dioxide and oxygen.
The actual sites of gas exchange within the lungs are the alvioli.
The efficiency of gas exchange in the lungs of vertebrates is greater because it increases the lungs' internal surface area.