When a neural impulse reaches the end of an axon, it causes the tiny sacs at the end of the axon to release chemicals called ____________.
 |
stimulants; |
 |
inhibitors; |
 |
neurotransmitters; |
 |
ions; |
 |
hormones; |
INCORRECT - The substances released into the synaptic cleft are not called ions, although ions are essential to the membrane changes that underlie synaptic transmission.
[Review Part 1 of the tutorial] [Review Part 2 (Matching) of the tutorial]