<span>Answer to your quesiton is C.Stimulant. stimulants increase activity of the body, they can be pleasurable and invigorating, also they can produce physcological affects on the sympathetic nervous system. many drugs are stimulants. so answer to your question is Nicotine is a stimulant that speeds up neural activity by increasing the body's production of epinephrine</span>
C) Red Blood Cells
Red blood cells contains hemoglobin, which provide oxygen
Sorry babe i don't get your question if your question is "how does the body use food" then your answer is this (when you eat, your body breaks down all of the starches, sugars, fats, etc. from food that you eat, and uses that from the food you just ate for ENERGY so you can stay alive) so long story short your body uses food for ENERGY....but if that wasn't your question then i'm sorry i don't know
