. Biology and man. Biology; Human beings. 6 8 10 Years of age 12 AVERAGE DAILY ENERGY EXPENDITURE AT DIFFERENT AGES^ The high expenditure of energy per pound of body weight during the first year is due to the relatively large body surface and to very rapid growth. The increased energy expenditure between twelve and fifteen years of age is due to accelerated growth at this time Average Basal Energy Metabolism of Boys and Girls in Terms of Body Weight- AGE IN YEARS CALORIES PER POUND PER DAY AGE IN YEARS CALORIES PER 'OUND PER DAY Boys Girls Boys Girls 1 25 25 10 17 16 2 25 25 11 16 15 3 23 22 1
. Biology and man. Biology; Human beings. 6 8 10 Years of age 12 AVERAGE DAILY ENERGY EXPENDITURE AT DIFFERENT AGES^ The high expenditure of energy per pound of body weight during the first year is due to the relatively large body surface and to very rapid growth. The increased energy expenditure between twelve and fifteen years of age is due to accelerated growth at this time Average Basal Energy Metabolism of Boys and Girls in Terms of Body Weight- AGE IN YEARS CALORIES PER POUND PER DAY AGE IN YEARS CALORIES PER 'OUND PER DAY Boys Girls Boys Girls 1 25 25 10 17 16 2 25 25 11 16 15 3 23 22 12 15 15 4 21 20 13 18 14 5 20 19 14 19 17 6 20 18 15 16 11 7 19 18 16 15 10 8 18 17 17 14 10 9 17 17 Energy Cost of Activities' By the use of the respiration calorimeter the energy cost of several different activities has been worked out. These figures tell us how many additional Calories an individual spends per ^After Foundations of Nutrition by Mary Swartz Rose. By permission of The Macmillan Company, publishers. -Adapted from Mary Swartz Rose, Foundations of Nutrition, 1938, p. 90. By permission of The Macmillan Company, publishers. "See No. 3, p. 136. 121. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Gruenberg, Benjamin C. (Benjamin Charles), 1875-1965; Bingham, N. Eldred (Nelson Eldred), 1901-. Boston, New York, [etc. ] Ginn and company
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