Answer:
(D) It increases the size of arteries and veins.
Explanation:
The above questions states four options out of which increase of arteries and veins is not the result of smoking. Where as the remaining three are; smoking increases the risk of atherosclerosis - a disease of hardening of arteries - along with increases the level of cholesterol by making LDL(termed as bad cholesterol) more toxic. Lastly, smoking also has a tendency to allow the blood to clot.
