Question

Tobacco smoke is inhaled into the lungs. Tar from the smoke is deposited in the lungs and this prevents the lungs from working

properly. Which one of the following is a function of the lungs? a .To pump oxygenated blood to all parts of your body.

b. To transfer oxygen from the air that you breathe to your blood .

c .To purify your blood by reducing the carbon dioxide content to zero.

d .To convert carbon dioxide molecules into oxygen molecules .
​

Answer 1

Answer:

C. Purify your blood by reducing the carbon dioxide content to zero

Explanation:

Answer 2

Answer:

c

Explanation:

because heart pump blood while lungs purify blood by reducing carbon dioxide