Myelinated axons conduct impulses much faster because
a. the myelin insulates the axon.
b. channels only have to open at the nodes.
c. voltage is not lost through along myelinated areas.
d. of saltatory conduction.
e. all of these answers.
E
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The LH surge during ovulation does not
a. initiate local prostaglandin production. b. stimulate the production of the Graafian follicle. c. end estrogen production by the follicular cell. d. reinitiate meiosis. e. trigger differentiation of follicular cells to luteal cells.
Melatonin is produced by the:
A) kidneys. B) adrenal glands. C) pineal gland. D) heart.
The anterior part of each atrium is a flaplike extension called a(n) _______________
Fill in the blank with correct word.
Where is articular cartilage located?
A. It covers all bone surfaces. B. It covers all bone surfaces at articulations. C. It covers all long bone surfaces. D. It covers all long bone surfaces at articulations.