Bernhard is a football player on your university football team and he is eating high amounts of protein. Considering his high protein intake, how should he adjust his water intake and why?

a) He needs to increase his daily water intake to help the kidneys excrete the protein waste products.
b) He needs to increase his daily water intake to help the heart pump the protein more efficiently to the muscles.
c) He needs to decrease his daily water intake so that a more concentrated source of protein gets to the muscles.
d) He needs to decrease his daily water intake so that the intestine more efficiently absorbs the protein that enters the intestinal tract.