21.____________________ traveling vibrations of air that consist of alternating with : 1417052
21.____________________ are traveling vibrations of air that consist of alternating with regions of low pressure caused by rarefaction of the molecules.
22.Night blindness develops from a deficiency of vitamin ____________________.
23.The left cerebral cortex receives information from the ____________________ half of each visual field.
24.The lateral geniculate nucleus is located in the part of the brain called the ____________________.
25.The ____________________ is the "middle" ear ossicle, and it transmits sound vibrations from the ____________________ (first ossicle) to the ____________________ (last ossicle).
26.____________________ discrimination, the ability to distinguish different sound frequencies, depends on the region of the basilar membrane that vibrates.
27.Moving air through the eustachian tube equalizes air pressure on the ____________________.
28.Glucose interacts with "____________________" receptor binding sites on the surface of the tongue.
29.The rods and cones synapse with ____________________ cells, which in turn synapse with ganglion cells before entering the optic nerve.