hiya!
<em>The answer would be "Hail". :)</em>
The answer is liver. It is located near the stomach and duodenum which makes it faster for the digested food to be transported there.
On number one you could say dirt seeing as dirt is another word for earth because it makes up earth
The cramps occur when muscle cells respire anaerobically. The partial breakdown of glucose produces lactic acid. The accumulation of lactic acid causes muscle cramps.
About "two-thirds" of the mass of this cell is water :)