A disease is a condition that prevents or stops the body or any of its parts from working well.

What is an Infectious disease"

Infectious diseases are those that can be spread or transferred to one organism to another

Examples- cold, influenza, rabies, STD'S and chicken pox

Infectious diseases may be passed on in a number of different ways; they are usually the result of contact with another organism that is infected. Stopping the spread of infectious diseases can only be achieved by knowing how they are transmitted.

What is a non-infectious disease"

A non-infectious disease is a disease that cannot be spread from one person to another

Examples- diabetes, cancer, obesity, asthma and arthritis

The 1st Line Of Defence-

PHYSICAL BARRIERS-

The Skin- The skin prevents invasion by disease causing microbes and protects the internal organs from damage by chemicals, water and radiation from...