118 



BIOLOGY OF DEATH 



group namely deaths caused by breakdown of the cir- 

 culatory system, blood and blood-forming organs we 

 note in Figure 28 a marked difference in the form of the 



too 



VJ 



b 

 S 







ff 



* 



to 



0.1 



OOI 



CIRCULATORY SYSTEM, BLOOD AND 

 BLOOD-FORMING ORGANS 



z 



O 5 1O 15 ZO 2.5 3O 35 4O 4-5 5O -55 6O 65 7O 7-5 8O 85 9O 95 IOO 



AGE. 



28. Diagram showing the specific death rate at each age from breakdown of the 

 circulatory system, blood and blood-forming organs (Group I). 



curve from what we have seen for the case of all causes 

 of death. In the first place, the specific force of mortal- 

 ity of this group of causes is relatively low in infancy and 



