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Secondary lymphatic organs include lymph nodes and ______.

We discussed giving antibiotics for viral diseases.  Name one reason this might be done AND one reason it should not be done. 

The location of various fossil species around 200 MYA tells geographers that Earth’s continents at that time were arranged into one large landmass called Pangaea

During resting (when no impulses are being received) what ion is most commonly found outside the nerve cell?

What receives air from the nasal cavities and food from the mouth?

What type of structures are those that are anatomically similar because they are inherited from a common ancestor?

The four major areas of the brain include the cerebrum, cerebellum, brain stem, and ______.

Which of the following belongs to Eumetazoans

What are open sores in the wall of the stomach?

Olfactory cells are ____ receptors located in the nasal cavity.