The liver is important in assimilation. For example, it converts glucose into glycogen (a complex carbohydrate used for storage) and amino acids into proteins. ... This is the removal of the nitrogen-containing part of amino acids, to form urea, followed by the release of energy from the remainder of the amino acid.
Their skin would not be normal because they would have frost bite from the cold water. they would also look depressed and tired as they would suffer ptsd and suvivors guilt.