Answer:
The primary function of white blood cells are that they help the body fight infection and other diseases that enter the body. Mostly if they are unknown to the cells. Example: they fight of cancerous cells, infections and diseases.
Explanation:
Your body becomes used to the intensity and will therefore render the program useless.
I’m not quite understanding your language
Well I would say that one of the benefits is that they get a hands on experience so they can get a feeling of what the job will be like and won't be stressed out when they start they actually start the job. Hope this helped
