In complications of the reproductive gland sterilization is a possible outcome of both males and females. sterilization is when the reproductive gland produces too many sex cells.

C= syphilis would be the answer

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. 

Answercirculatory,blood moves oxygen;

True is correct answer. wrong answer should be false.hope it you.-charlie-have a great day.-!