128 



BIOLOGY OF DEATH 



organ systems; and second, that the minimum point is 

 reached not, as in most of the other cases, around the time 

 of puberty, but at a much later period namely in the 



too 



5 



5 



b 





3 



Ol 



O -5 IO 15 2O 



3O 35 4O 45 5O 55 GO 65 7O 76 6O 

 AGE. 



9O 



1OO 



FIG. 32. Diagram showing specific death rates at each age from breakdown of the skeletal 



and muscular systems (Group V). 



late twenties. The whole curve shows a very gradual 

 change in the rates. 



The next diagram, Figure 33, shows one of the most 



