C. A higher amount of addictive chemicals are needed to get the same high when fewer receptors are present...
Answer:
<em><u>carbon dioxide</u></em>
Explanation:
hope this helps you!!!
Answer:
1. Presynaptic cell 2. Postsynaptic cell and 3. Neurotransmitters
Explanation: Just did the assignment
now i may just not understandthe question here but its probs D
