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Vitek1552 [10]
3 years ago
11

What is the message system of the body, made up of nerve cells, that transmit electrochemical signals throughout the body?

Biology
2 answers:
netineya [11]3 years ago
6 0

Answer:

1. nervous system. 3.the heart. 7.

kykrilka [37]3 years ago
4 0
1) nervous system
2) the heart
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