All of the following organs are part of the digestive system EXCEPT

The main way acetylcholine is cleared from a synapse (at the gate) is by: 

the equivalent values of NADH is 2 ATP and the equivalent values of FADH₂ is 3 ATP.

Herniated Discs is  

A dermatome is the skin surface area supplied by a single nerve 

All of the following are types of organic molecules except

A major role of serous membranes is                        

________ system makes vitamin D and is the largest system of the body.

If carbon dioxide levels rise in the body, negative feedback mechanisms will trigger

Positive feedback results in: