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Skylar sprinted around the track at her school. At the end of her run, she was taking more air into her lungs and her heart rate had increased. What systems regulate Anita’s breathing rate and heart rate?

User Mcabbott
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2 Answers

16 votes
16 votes
at the end of her run she was taking more air into her lungs and her heart rate had increased
User Scttnlsn
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21 votes
21 votes

Answer: heart rate

Step-by-step explanation:

User Skreborn
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