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a.
3. Why do you suddenly move your hand away even before realizing that you touched a hot
object?
The muscles contract before the message reaches the brain.
b. The blood moves faster because of the heat.
The message travels fast because of the heat.
d. Message to and from the brain travel fast through the nerves.
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Sagot :

Answer:

A maybe i just think...

Answer:

letter a po

Explanation:

i hope it helps:)