Final answer:
Tuberculosis (TB) and influenza are examples of communicable diseases, as they can spread from person to person. Heart disease and diabetes, in contrast, are noncommunicable diseases that cannot be transmitted between individuals.
Step-by-step explanation:
Tuberculosis (TB) and influenza are examples of communicable diseases. These diseases can spread from person to person through various means such as respiratory droplets or direct contact. Heart disease and diabetes, on the other hand, are noncommunicable diseases and cannot be transmitted from person to person.
Learn more about communicable and noncommunicable diseases