. The biology of death; being a series of lectures delivered at the Lowell Institute in Boston in December 1920. Death (Biology). 144 BIOLOGY OF DEATH fancy and drop at a practically constant rate to a low point in early yonth. In infancy the heaviest mortality in males is dne to the breakdown of organs of endodermic lfi60 lOO o o. 0 5 10 IS ZO Z5 30 35 40 -45 so J5 60 65 70 'IS eo as 30 95 100 AGE Fio. 39.—Showing specific death rates in males according to the germ layer from which ths organs developed. origin. This part of the death rate accounts for some- thing like 10 times as many deaths
. The biology of death; being a series of lectures delivered at the Lowell Institute in Boston in December 1920. Death (Biology). 144 BIOLOGY OF DEATH fancy and drop at a practically constant rate to a low point in early yonth. In infancy the heaviest mortality in males is dne to the breakdown of organs of endodermic lfi60 lOO o o. 0 5 10 IS ZO Z5 30 35 40 -45 so J5 60 65 70 'IS eo as 30 95 100 AGE Fio. 39.—Showing specific death rates in males according to the germ layer from which ths organs developed. origin. This part of the death rate accounts for some- thing like 10 times as many deaths as either mesoderm or ectoderm at this period of life. From about age 12 on in. 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 Pearl, Raymond, 1879-1940. Philadelphia, London, J. B. Lippincott Company
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