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  Autonomic tone refers to…..  

  The diameter of many blood vessels is controlled exclusively by the ________ nervous system, and decreases in the activity of this system result in ________.  

  Which of the following does NOT describe the autonomic nervous system (ANS)?  

  Blood vessels that supply nutrition to most of the eyes’ structures (excluding the lens and cornea); can be annoying when needing a flash to take those beautiful profile pics for your social media fixation.                                

  BONUS #1:    During a mugging, a person experiences an extreme level of fear.  What portion of the limbic system is responsible for this and other emotional states?  

  This portion of the brain ensures that skeletal muscle contraction follows the correct pattern leading to smooth, coordinated movements.  It is the part of the brain that does not initiate somatic motor movements, but rather coordinates and fine-tunes those movements.  

  This question might be a little tough but we talked about it in class and (HINT!) there are notes that speak to this.  Humans can smell as many as 10,000 different odors but have significantly fewer types of olfactory receptors.  Which of the following is the best explanation for why humans can distinguish so many smells?  

  What is the correct order for the cranial meninges, from superficial to deep?

  The auricle… Dumbo the Elephant rocked his!                              

  In most cases, sound gets to our ears thru the air (= gas) and these pressure waves eventually get directed to the liquid environment (endolymph/ perilymph) of the inner ear.  Due to this transition (from gas to liquid), the signal requires amplification… this structure, along with its two close “cousins” nearby, help increase the vibrations going into the cochlea.