The flexor (withdrawal) reflex employs a ________, which maintains a sustained contraction
A) diverging circuit
B) reverberating circuit
C) closed circuit
D) parallel after-discharge circuit
E) converging circuit
D
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Neurotransmitters are synthesized in the cell body, then transported in vesicles to the axon terminals using __________
Fill in the blank with correct words.
ATP synthase is located in the inner mitochondrial membrane
Indicate whether the statement is true or false
You are on an airplane at an altitude of 20,000 feet where atmospheric pressure is 350 mm Hg. Air is pumped into the cabin for you to breath. What would the percent of oxygen in this are need to be to allow you to breath air with a partial pressure of oxygen of around the normal 150 mm Hg?
a. 10% b. 20% c. 40% d. 100% e. 150%
Compared to plasma, glomerular filtrate should have ________.
A. a lower concentration of wastes B. the same concentration of wastes C. no wastes at all D. a higher concentration of wastes