To extract energy from fat, the body breaks down into their component parts, glycerol and fatty acids. Question 10 options:

monosaccharides

triglycerides

free fatty acids

unsaturated fatty acids

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. 

Your answer is going to be c.