They can act as a support system and hold you responsible for your goals
A 75-year-old male with type 1 diabetes presents with chest pain and a general feeling of weakness. He tells you that he took his insulin today and ate a regular meal approximately 2 hours ago. You should treat this patient as though he is experiencing:
a heart attac
excersising and then plunging in cold water
"Go with your grandma to her doctor to listen and take notes about her treatment options."
This will mean you went for the sole cause of helping others improve their health.
A is the central nervous system and i think b is the peripheral nervous system