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The "emergency" part of the nervous system that prepares the body for "fight or flight" is the __________ branch.

(20 pt') - question #207

In the nervous system, electrical charges are set up because of unequal concentrations of ions inside and outside the cell. This state is known as a(n)

(20 pt') - question #221

Muscles can contract because they are made up of

(20 pt') - question #210

The branching fibers of the __________ end in __________ and link with parts of other neurons.

(20 pt') - question #194

A barefoot child steps on a bee, then jerks his or her foot back in response to the sting. This response has likely involved all parts of the nervous system EXCEPT

(20 pt') - question #212
 

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