Upper motor neurons are part of the ________ level of motor control.

______ channels detect menthol and cold temperatures.

______ is a sleep disorder in which breathing temporarily and repeatedly stops.

The ________ controls focus by changing the shape of the lens.

Most people use their _______ for artistic, creative, and spatial skills. 

Blocking ______ receptors causes paralysis.

Which of these indicates a region containing neuronal somas and dendrites:

________ receptors are ion channels.

Which of the following is FALSE concerning ligands?

The “blind spot” corresponds to the ______ of the retina.