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After a long soccer practice, Jack felt his pulse increase. As he cooled down, his pulse began to slow. Since he’d been studying the circulatory system in science class, he knew why his pulse slowed. Which statement best describes what’s happening in Jack’s body right after soccer practice?

User Marcelle
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1 Answer

10 votes

Answer:

heart

Step-by-step explanation:

His heart rate is increasing while he runs

User Anton Kizema
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