Answer:
The main function of the kidney is to help regulate everything. So this means pH, vitamins, etc. Kidneys are also useful for filtering vitamins and nutrients.
Answer:
saying thank you or no thank you
Explanation:
it is all part of manners.
I think that last answer is correct. The first two are definitely wrong in my opinion, and the third one seems incorrect because exercising and watching what you eat are things you should be doing outside of dieting.
