12 
PHYSIOLOGY: BENEDICT, HENDRY, BAKER Proc. N. A. S. 
TABLE 2 
Basal Hkat Production per Kilogram per 24 Hours Predicted from Age, for 
Girls from 12 to 17 Years of Age 
AGE 
PREDICTED HEAT PER Klt,0. PI 
SR 24 HOURS 
Yrs. 
Cai,s. 
12 
30.9 
12Vi 
29.9 
13 
28.8 
137a 
27.7 
14 
26.7 
147a 
25.7 
15 
24.6 
157 2 
23.6 
16 
22.6 
167 2 
21.7 
17 
21.2 
Other general conclusions derived from the study are the following: 
The average, minimum, resting pulse rate per minute of girls from 12 to 
17 years of age, just before rising in the morning, was found to be 81 at 
12 years, 77 at 13 years, 77 at 14 years, 83 at 15 years, 71 at 16 years, and 74 
CALORIES PER KILO. 
c *£; REFERRED TO AGE. (GIRLS) 
28 
24 
20 
V*. 12-0 
^ S *v5-7 — 
• 11-0 
4-8 ^* 
< 
■11 
• 
0-15 
^^^^^ 
12 yrs. 13 14 15 • 16 17 
FIGURE 1 
Basal heat production of girls per kilogram per 24 hours referred to age 
The first of the two figures accompanying each point on this chart represents the 
number of girls in the group who had not as yet menstruated ; the second figure indicates 
the number who had. 
