Which of the following best describes the possible impact of tobacco use from families

When u smoke, it not just ruins your own health, but the health of other people that live with you. How? Well because cigarettes have a combination of bad chemicals that ruin your health, and when people inhale that smoke, they breath in those bad chemicals. But the smoker gets the most harm. How? Well smoking is very bad for your lungs. Like i have said , the smoker inhales the chemicals, and it goes to his lungs, because thats where he inhales it. and the lungs get the chemicals, and the more they smoke, the more the mungs get blacker, and untill you just get lung cancer. 

Hope i helped! 

The answer is b. increased blood flow reduces nerve sensitivity

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.