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1 vote
Jane wants to study how a person's heart and lungs respond to intense

exercise. She measures the heart rate and breathing rate of 10 people before,
during, and after a 5K race. Which body systems is she studying?
A. Cardiovascular and respiratory
B. Skeletal and urinary
C. Digestive and nervous
D. Muscular and reproductive
SUBMIT

1 Answer

3 votes
Cardiovascular and respiratory is probably the correct answer
User Markus Mayr
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