All are true about the primitive brain EXCEPT: A. The primitive brain makes us react on impulse. B. The primitive brain helps us respond quickly when faced with dangerous situations. C. There is nothing you can do when the primitive brain takes over. D. Another name for the primitive brain is the primitive reptilian brain.

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. 

Is this used on a test? ?

To this question it will be choice one