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nikayla10 nikayla10
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6 years ago
The body's muscle fibres
A) are mostly absent at birth and do not appear in great numbers until middle childhood.
B) become longer and thicker during childhood.
C) become shorter and thinner during childhood.
D) are fused together at birth but gradually separate.
Textbook 
Children: A Chronological Approach, Canadian Edition

Children: A Chronological Approach, Canadian Edition


Edition: 5th
Authors:
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fdr77fdr77
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6 years ago
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nikayla10 Author
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6 years ago
An excellent help, ty
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