The Nervous System Crossword
This printable crossword puzzle on the topic of Human Body Systems has 10 clues. Answers range from 3 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
The main organ in the Nervous system
How many neurons does the human brain have?
How fast can the nervous system send signals?
Neurons send what kind of signals?
How many neurons does the human spinal cord have?
At any given time, what percentage of brain cells are active?
How do neurons communicate with other cells?
How many parts does the nervous system have?
How do the signals travel?
What is your brain made of?
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