1. Dressing and grooming
2. Postures
3. Muscular tone and tension
4. Movement and gesture
5. Facial communication
6. Eye communication
When the body is given weakened/dead pathogenic material this helps build up an immune system towards the actual live infection. It prepares the body for the infection so that the person does not get sick.
B. Specialize in this is because certain nations have different climates and different types of agriculture and livestock or even metals and rock productions than other nations do.
