Cerebrospinal fluid
A) is secreted by ependymal cells.
B) is formed by a passive process.
C) is normally produced twice as fast as it is removed.
D) has almost the same composition as blood plasma.
E) contains blood cells and blood plasma.
A
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A. center of the morula. B. center of the blastocyst. C. periphery of the blastocyst. D. center of the embryoblast. E. periphery of the morula.
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Indicate whether the statement is true or false
An impulse conducted along an axon consists of a wave of ______ ______
moving away from a point of stimulation. Fill in the blank(s) with correct word
The first "way station" in the visual pathway from the eye, after there has been partial crossover of the fibers in the optic chiasma, is the ________
A) visual cortex B) superior colliculi C) temporal lobe D) lateral geniculate body of the thalamus