Gaseous exchange in humans

Question 1 of 9

Alveoli are well suited for gaseous exchange because they have

Question 2 of 9

Inhaled air contains about what percentage of oxygen?

Question 3 of 9

Carbon monoxide is dangerous because it

Question 4 of 9

Gaseous exchange in the human lungs takes place in the

Question 5 of 9

The windpipe is also called the

Question 6 of 9

During inhalation, the diaphragm

Question 7 of 9

Compared with inhaled air, exhaled air contains

Question 8 of 9

When we breathe in, the diaphragm

Question 9 of 9

Which disease mainly damages the alveoli and is strongly linked with smoking?