Exchange of oxygen and carbon dioxide between blood and the cells and tissues

During which part of the estrous cycle is the female most receptive to the male?

The point at which the axon of one neuron meets the dendrite of another neuron where chemical signals can pass

The digestive tract of herbivores 

Surface area of the small intestinal lining is increased by

Animals with otitis externa will usually have dizziness and vomiting

What may occur if there is a tumor of the ciliary body?

In what order does light pass through ocular structures on its way to the retina?

Scientific term for chewing of food

Which part of the brain is responsible for controlling/smoothing out motions?