Topics: The Nervous System Quiz
A typical brain weighs how much?
A. 1.4 kilogram
B. 50 grams
C. 2 tons
D. 8 kilograms
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The nervous system is made up of these three parts:
A. Brain, heart, and spinal cord
B. Brain, spinal cord, and nerves
C. Nerves, stomach, and liver
D. Nerves, liver, and heart