Answer:
intensity of exercise
Step-by-step explanation:
The dependent variable is defined as the variable that is being tested or calculated in an experiment. For example, to see how various intensities of exercise influence the heart rate of twenty 18-year-old male subjects in an experiment.
The dependent variable is the variable that the experimenter is trying to measure or calculate and it is being affected during the experiment. The dependent variables respond to independent variables because it depends on independent variables.