In this excerpt from Jack London’s "To Build a Fire," replace each bolded word with its correct synonym.
So long as he walked four miles an hour, he pumped that blood, (willy-nilly) , to the surface; but now it (ebbed) away and sank down into the recesses of his body. The (extremities) were the first to feel its absence. His wet feet froze the faster, and his exposed fingers numbed the faster, though they had not yet begun to freeze.

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some attention getter quotes to support your thesis regarding brain work could be the following: :

a. storage capacity of your brain is virtually unlimited.

b. your brain produces sufficient electricity to light-up a small bulb.

c. different brain circuits are involved with reading aloud or silently.

d. your brain by itself does not feel pain.

e. reading allows your brain to download info directly.

f. brains of two musicians performing together can synchronize.