The _______ filters out unnecessary information, allowing for attention to be directed at select items.

The _________ is the receptive area of the semicircular canals.

_______ is a sleep disorder characterized by sudden REM sleep during normal periods of wakefulness.

Select the posterior pituitary hormone:

Cocaine blocks reuptake of _________.

Which letter is indicating an axo-axonal synapse?

Activation of an odorant receptor (OR) leads to activation of ______ and cAMP production.

The major excitatory neurotransmitter of the CNS is:

A muscle fiber at rest has high extracellular _____ amounts. 

Which kind(s) of muscle utilize gap junctions? (select ALL that apply)