A median plane divides the body into _________.
What will be an ideal response?
equal right and left halves
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The characteristic of the neuron plasmalemma that allows it to conduct impulses is called ________.
Fill in the blank(s) with the appropriate word(s).
A sebaceous (oil) gland cell of the skin must completely rupture to release its secretory products. Thus, this type of gland is considered to be a __________.
Fill in the blank(s) with correct word
The relative concentrations of Na+and K+ remain constant during a single action potential despite movement of these ions across the membrane because
A) They cross back immediately through recovery channels. B) They are pumped back across using the Na+/K+ ATPase pump. C) They are forced back across the membrane as the action potential moves away. D) The refractory periods do not end until all ions have been returned to their original areas.
After ovulation occurs, the level of estrogen in the blood drops slightly and secretion of ____ stimulates the development of the corpus luteum.
a. FSH b. GH c. LH d. PTH