Read Reading A again and tick off the facts mentioned in the passage about the common diseases of the body system.
A.
Our ability to fight human body diseases
B.
Various disorders of the nine body systems
C.
The skin featuring its susceptibility
D.
An introduction to the new cures for the diseases
E.
Disorders typical of the body systems
F.
Alcoholism contributing to digestive diseases
G.
Two types of immune disorders