Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called
A) amphetamines.
B) depressants.
C) endorphins.
D) ecstasy.
Correct Answer:
Verified
Q13: Neural centers controlling vomiting and respiration are
Q14: Parkinson's disease produces tremors and muscular rigidity
Q15: channels,which is the mechanism that leads to
A)CNS
Q16: within certain limits is called
A)the blood-brain barrier.
B)sympathetic.
C)homeostasis.
D)inhibition.
Q17: Whether the effect of a neurotransmitter is
Q19: Neurotransmitter molecules are released into the small
Q20: Which chemical pathway appears to be important
Q21: In the neuron,neurotransmitters are stored in the
Q22: The brain imaging technique that involves injection
Q23: MRI and PET are two types of
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