We cannot see the rest of the question
I think it might be proteins
Answer:
Amphetamines are stimulant drugs. They make the messages between your brain and body move faster. As a result, you are more alert and physically active. Some people use amphetamines to help them stay awake on the job or to study for a test.
Explanation:
Airborne
animal borne
food borne
sexually borne
blood borne
