Fill in the blank
The contraction of the __________ pulls the bones during movement.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks to fill in the blank regarding what pulls the bones during movement.

2. **Identifying the Relevant System**: We need to think about the systems in our body that are involved in movement. The musculoskeletal system is responsible for movement and consists of muscles and bones.

3. **Focusing on Muscle Function**: The contraction of muscles is crucial for movement. When muscles contract, they pull on the bones to create movement.

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