3
lesson pretestMultiple Choice

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Question 3 • Biology

Which describes an interaction within the musculoskeletal system?

Answer
A
When a ligament contracts, a tendon will move.
B
When a muscle contracts, a bone will move.
C
When a bone contracts, a muscle will move.
D
When a tendon contracts, a ligament will move.

Explanation

Muscles contract and pull on tendons, which attach muscles to bones. This pull can move a bone at a joint, so “When a muscle contracts, a bone will move” describes an interaction in the musculoskeletal system. Bones, tendons, and ligaments do not contract like muscles.

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