Starter Quiz

Question 1 of 6
1 of 6

Match the term to its correct definition.

Click and drag answers to change the order, or select using Tab then move by pressing Space and the arrows on your keyboard.
the body's command system (brain, spinal cord and nerves)
needing more of a drug to achieve the same effects as before
possible negative consequences
a substance that changes the way bodies and brains work
nervous system
tolerance
risk
drug
All drugs affect the nervous system in some way.