Muscles Must Be Arranged in Antagonistic Pairs, Because When a Muscle

question 45

Multiple Choice

Muscles must be arranged in antagonistic pairs, because when a muscle contracts:

• A)it lengthens and pulls at the same time
• B)it can only push a bone in one direction
• C)it pulls one way and pushes another
• D)it can only pull a bone in one direction

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Definitions:

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