We kinda need to see what your talking about
You can overdose or just feel like your on painkillers depending on how much you take also addiction
Let's say you enjoy swimming. One day you decide to swim alone. But it's a risky idea because you could drown and no one would be there to help you in time. So it's best to have others around incase you have an accident or need help.
Answer:
A) To provide oxygen to the person's lungs.
