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What system controls the contractions of skeletal muscles?

Long Answer / Essay Section: Clearly answer the question and support your answer by fully explaining the relevant anatomy and physiology factors at play.  Ten (10) points.  Pick ONE topic to answer. Correctly explain the differences between the two divisions of the ANS (autonomic nervous system). -Include two organs or organ types that these divisions innervate and how each division affects the organs/types.  Correctly explain which division would be more active during a crisis, and which division would be more active during relaxation. Be sure to include the neurotransmitters used and what they do. Tell me about our sensory receptors; different classifications, types, locations, what they monitor etc.  Yes, this is a fairly broad question! Give me a clearly worded, well organized, and accurate essay describing our sensory receptors.  Pretend you were giving this information to a fellow AP I student who missed class. Walk me through a reflex arc.  Give me the steps that occur (in order) and how they occur.  Describe some areas where this reflex arc could be interrupted and fail to function correctly.  

A thermoreceptor monitoring the temperature of the surface of the skin would be classified as a(n):

Skeletal muscles are small and have few nuclei. 

The graphic display of pixel values:

The tendon reflex prevents too much tension being developed by muscles and this prevents tendon damage, tearing, or breakage.

CN V is known as the ___________ and transmits  _________ information:

Spinal reflexes always require input from the brain.

A single muscle fiber is the same as:

There is a correlation between brain size and intelligence.