Question

Tobacco smoke contains carbon monoxide. What problem does this cause?

1 point
A)The carbon monoxide irritates the airways, causing bronchitis
B) The carbon monoxide combines with haemoglobin in the red cells, reducing the ability of the blood to carry oxygen
C) The carbon monoxide causes lung cancer
D) The carbon monoxide causes the blockage to the bronchi​

Answer 1

B

Step-by-step explanation:

It directly enters the bloodstream and displaces oxygen in red blood cells.