Answer:
yes it has postive and negative
Explanation:
in this world everything has postive and negative
Answer:
it is, Cardiovascular
Explanation:
New study says cycling 30 miles per week cuts heart disease and cancer risk in half.
I would think it would depend on the situation. Basic first aid may be all that is required for certain wounds or accidents. In other circumstances it should be administered until a trained professional can take over.
