True :) answers although may vary depending
During exercise, stored chemical energy is converted to energy that can be used for muscle movement.
Answer:
Even though the symptoms of the stimulants and depressants are quite opposite, the causes of these symptoms are completely unrelated. A stimulant could cause one area of the brain to release a chemical and a depressant could affect a completely different area of the brain. They don't have to counteract each other.
Explanation:
voluntary movement, perception, homeostasis and cognition (abstract functions)
