Question

_______ help a tablet dissolve once it enters the stomach.

Answer 1

What helps a tablet dissolve once it enters the stomach.

Answer: apart from our gastric fluids what helps a tablet dissolve are additives such as disintegrants. This additives help to break it up in the gastrointestinal tract.

I hope it helps, Regards.

Answer 2

_fluids_  help a tablet dissolve once it enters the stomach. 

That's why when people take tablets, they drink it with water. 
(it also helps with the swallowing process)

Good Luck! :)<span />