Water content in infant-: (A) 60-70 %, (B) 75-80 %, (C) 80-90 %, (D) > 90%
Answer is B. Schwartz writes - "the highest percentage of Total Body Water is found in newborns, with approximately 80% of their total body weight comrpised of water. This decreases to about 65% by 1 year of age and therafter remains fairly constant through childhood".