Ill say writing a list of goals
'Carotid artery' is the one you're looking for. Mentioned quite a bit in English literature I might add.
Answer:
1) It helps body to be flexible and strong.
2) It makes body healthy.
If a patient will have a left nephrostomy then it means or it is likely that the patient will have an opening in their kidney. It is because the nephrostomy is being done in a way of having an opening, done artificially, in the kidney of the individual in order to create a path when inserting a tube or catheter in the individual.