1. Do muscles pull or push?
-Muscles only pull. for example; Biceps pull to close space between upper arm and forearm. Then the triceps pull to open the area again.
2. what happens when one muscle of the pair contracts(shortens?)
-The other one relaxes.
3. In what ways is this model accurate?
-It shows how muscles are located in your body specifically.
4. In what ways is this model inaccurate?
In real life muscles contract.
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