A human who has no access to fresh water but is forced to drink seawater instead
A) will excrete more water molecules than taken in, because of the high load of ion ingestion.
B) will risk becoming overhydrated within 12 hours.
C) will thrive under such conditions, as long as he has lived at the ocean most of his life.
D) will find that drinking saltwater satiates his thirst.
E) will develop structural changes in the kidneys to accommodate the salt overload.
Answer: A