Question

name the two types of diseases one caused by some external agents and other due to some internal disorderof the body. 
mention various causative agents. how these types of disease can be prevented.

Answer 1

EXTERNAL AGENCY:-

1.cholera- Vibryo cholerae(bacterial disease)..It can be prevented by drinking purified water...

INTERNAL. AGENCY:-


1.diabetics- diabetics mellitus(metabolism)..It can be reduced slowly..By doing exercise and do the activities to increase the insulin level in the body....

Hope this helps you....
Please mark it as brainliest answer.....☺☺☺