Which is not an effect of smoking on the cardiovascular system? it contributes to atherosclerosis. it increases the blood's tendency to clot. it increases blood cholesterol. it increases the size of arteries and veins?

The Correct Answer is:

'' it increases the size of arteries and veins''

Rest of the options are consistent with the harmful effects of smoking on a person's health.

Smoking can increase the chances of a blood clot, increase blood cholesterol and contributes towards atherosclerosis