Answer:
A. Central nervous system
Explanation:
Dopamine is a neurotransmitter which plays the role of sending signals to the part of the brain that is responsible for movement and coordination.
When the dopamine levels are low , the individual isn’t able to move well and loses coordination because of the little or absence of signals to the part of the brain that controls these aspects.
Sentence 1 = Dorsal
Sentence 2 = Cranial
Dorsal means the back side, I always remember it because I think of a dorsal fin on a dolphin and how it is on their back.
Also the cranial cavity is your brain area which leads to your spinal cord which is in the back side of the body.
C. All forms of tobacco are addictive. Tobacco contains Nicotine, which upon entering the blood stream, affects the user. After frequent uses, the user becomes addicted to the nicotine within the tobacco product.
Hhs means human health services