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13 votes
Help im very confused....

Help im very confused....-example-1

2 Answers

12 votes

Answer: nerve cell, nerves, brain, nervous system, mouse

Step-by-step explanation: the human body is more difficult to understand then just a mouse

User Ageonix
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3.7k points
4 votes

Answer:

The answer is the last one. Nerve cell, nerves, brain, nervous system, and mouse. These go from the least complex to the most complex

User John Swaringen
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