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Daylight causes stimulation of the pineal gland to release melatonin. 

Electrical synapses are between cells that are physically linked by gap junctions.  

Which of the following is NOT true of Muscarinic ACh receptors?

The majority of water within the body is found in the  

The majority of water within the body is found in the  

Substance P is a NT involved in pain transmission/perception.

A one molal NaCl solution has the same osmolality as a one molal glucose solution.  

Which of the following are natural analgesics (endogenous opioids)?  

Place the following parts of the generation and result of an action potential in the correct order VG Na+ channels open in the axon hillock Na+ channels close and K+ channels open in that area K+ flows out of the axon causing depolarization Na+ moves into the axon repolarization of that part occurs Na+ and K+ channels open and close all the way down the exposed areas of the axons p.m. Ca++ comes into the button, causing exocytosis of the NTs when AP hits the terminal button, Ca++ channels open

Extra Credit: The electron carriers/banked energy/coenzyme molecules utilized in cellular respiration are both derived from ____ vitamins.