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blondinia [14]
3 years ago
7

Which of the following does NOT make movement in animals possible? A.the contraction and relaxation of muscle cells B. the contr

action and relaxation of the brain C. the connection of muscles to outer coverings D. the connection of muscles to bones
Biology
1 answer:
garik1379 [7]3 years ago
8 0
B. the contraction and relaxation of the brain
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