Biology Chapter 19

5 Questions  I  By Punger
Biology Chapter 19
Biology Chapter 19 review quiz

  
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Question Excerpt

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1.  The human brain weighs about _____ pounds.
A.
B.
C.
D.
2.  The brain uses what % of the energy used by the body.
A.
B.
C.
D.
3.  The nervous system is made up of cells called
A.
B.
C.
D.
4.  This acts as the nervous system's main switchboard.
A.
B.
C.
D.
5.  Synapses are
A.
B.
C.
D.
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