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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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chrissmoove96 chrissmoove96
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3 years ago
You conduct an experiment on twenty 18-year-old male subjects to see how various intensities of exercise affect heart rate. Which is/are an independent variable?

▸ sex of subjects

▸ age of subjects

▸ intensity of exercise

▸ heart rate

▸ More than one answer is correct.
Textbook 
Human Physiology: An Integrated Approach

Human Physiology: An Integrated Approach


Edition: 8th
Author:
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d123d123
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2 years ago
So cool
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