The human body undergoes different changes when one is exercising. One can follow the procedure below to measure these changes. Observe and record the body temperature, breathing rate, and heart rate of a test subject at rest. The subject runs for 15 minutes The researcher records the body temperature, breathing rate, and heart rate of the test subject after every 5 minutes Repeat procedure with additional subjects. Based on this experiment, which hypothesis is correct?

The human body undergoes different changes when one is exerc

The human body undergoes different changes when one is exerc - GED Prep

Question

The human body undergoes different changes when one is exercising. One can follow the procedure below to measure these changes.

Observe and record the body temperature, breathing rate, and heart rate of a test subject at rest.
The subject runs for 15 minutes
The researcher records the body temperature, breathing rate, and heart rate of the test subject after every 5 minutes
Repeat procedure with additional subjects.

Based on this experiment, which hypothesis is correct?

Answers

Body temperature, breathing rate, and heart rate depend on the health of the subject.
Subjects at rest have better health than subjects that exercise.
Many of the body's systems respond to exercise.
correct

Body temperature, breathing rate, and heart rate increase with exercise.

Explanation

Exercise affects a person’s temperature, breathing, and heart rate. During moderate to intense physical activity, these parameters will increase compared to when an individual is resting. The more duration and intensity of a physical activity exercise, the higher the increase in heart and breathing rates and body temperatures.

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