Direct intercellular communication involves
a. communication through gap junctions
b. communication through direct linkups via surface markers
c. extracellular chemical messengers
d. (a) and (b) above
e. all of the above
D
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A drug that blocks ATP production is introduced into an isolated axon preparation. The axon is then repeatedly stimulated, and recordings are made of the response. What effects would you expect to observe?
The outermost meninx, the __________ __________, envelops the brain and attaches anteriorly to the crista galli and inferiorly around the foramen magnum.
Fill in the blank(s) with the appropriate word(s).
What is the difference between subluxations and dislocations?
What will be an ideal response?
Which division of the nervous system innervates involuntary effectors?
A. Autonomic nervous system B. Central nervous system C. Associative nervous system D. Somatic nervous system