The ________ of the retina detect color and function only in ________ light.

What functional type of neuron is found in the dorsal root ganglion?

How many pairs of spinal nerves are present in humans?

Damage to the lumbar plexus is likely to affect ________.

What secretes the aqueous humor?

Both olfactory receptor cells and taste receptor cells are ________.

These fiber tracts run between the dorsal horns.

What functional type of neuron is found in the dorsal root ganglion?

The receptor cells of the semicircular canals are located in the:

There are ________ pairs of cervical spinal nerves and ________ pairs of lumbar spinal nerves.