The brain.
which is why nicotine has such diverse and wide ranging effects
c) Poisoned water sources are the reason for deforestation
Saying its natural, there are no tight laws against putting natural on the product so people do it all the time.
The Respiratory System brings oxygen into the blood; it is the responsibility of the Circulatory System to transport it, with nutrients from digestion, to cells of the body.
The Circulatory System is three-fold: the blood carrying the substances, the vessels in which blood flows, and the heart which pumps it around in a circle-like movement and back (hence the term 'circulatory').
Answer:
people who eat at least five servings a day of fruits and vegetables have a 40 percent lower risk for certain cancers than people who eat only two or fewer servings