Question

Which of the following best explains why humans need constant supplies of fresh water?
a.
Humans need a constant supply of water to provide them with essential vitamins.
b.
Humans need a constant supply of water to maintain proper hygiene.
c.
Constant supplies of freshwater are needed because body water is continually being lost.
d.
Constant supplies of freshwater are not actually necessary for survival.


Please select the best answer from the choices provided

A
B
C
D

Answer 1

C

Humans continually lose water through urine, feces, sweat, and exhalation, so fresh water must be replaced to maintain blood volume, temperature regulation, and metabolic functions.