Answer:
A tolerance occurs when you need to use larger amounts of drugs or alcohol to achieve the same effects as when you started. Photo of Dr. Ashish Bhatt ... By the time a person realizes they have a problem, drugs or alcohol ... They may experience withdrawal symptoms if they stop using the drug altogether.
Explanation:
Answer:
60-100 beats per minute
Explanation:
Your heart beats due to blood being pumped into it. It also requires assistance from the lungs.
I think it’s 2.They allow people to avoid experiencing sadness.
The answer is respiratory and circulatory systems.