The answer is B. The testes. Please rate me as the brainliest!
The answer is tighten and contract.
In order for the students to pull the rope their muscles will need to tighten and contract so they are able to continuously pull with all their strength and power. Relaxed or twitched muscles will result in release of the rope.
Formulary would be a correct answer
Answer:
Approximately one in three people
Explanation:
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