Question

now determine the dependent, independent, and controlled variables for each experiment in this laboratory activity by clicking on the appropriate answers. check your answers until you have chosen all variables correctly. there will be one choice for dependent and independent variables and multiple choices for controlled variables. when you are done, click the submit button to save your responses to the laboratory report. effect of exercise on blood pressure, cardiac output, and systemic vascular resistance dependent variable independent variable controlled variables gender gender gender hr, sv, bp hr, sv, bp hr, sv, bp age age age level of activity level of activity level of activity check answer check answer check answer

Explanation:

The independent variable is what is manipulated (level of activity in the exercise - experiment). The dependent variable is what is measured as a result of the change in the independent variable (HR - Heart Rate, SV - Stroke Volume, BP - Blood Pressure). Controlled variables are kept constant to ensure the accuracy of the experiment (gender and age can be controlled to isolate the effect of exercise).

Answer:

Dependent Variable: HR, SV, BP
Independent Variable: level of activity
Controlled Variables: gender, age