PERCENTAGE OF WATER 



PERCENTAGE OF WATER 



BRAIN AND SPINAL CORD 



ALBINO RAT 



ACCORDING TO AGE 



10 20 30 40 50 60 70 80 90 100 HO 120 130 140 150 160 170 ISO 190 200 210 220 230 240 



PAYS AGE 



Chart 2 



To show the changes in the percentage of water in the brain and in the spinal cord of the albino rat at different ages. 

 The data for the two sexes are plotted separately. It is to be noted that the first entry is at the mean age of five days. 



