The primary feature of a neuron that prevents the action potential from traveling back from where it just passed is the ____.
a. concentration gradient
b. refractory period
c. sodium potassium pump
d. phospholipid bilayer
Question 2
The brain can anticipate an osmotic need before the rest of the body actually experiences it ____.
a. through the change in blood pressure
b. because the stomach can detect high levels of sodium
c. through detection of highly concentrated urine
d. because of the rate of vasopressin release
The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper
Activation of the Primary Gustatory Cortex by Taste Stimuli
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Locations of key energy meridians and acupoints for the back, shoulder, arm, neck, head, and face.
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Micrograph and graphic of a motor neuron