Physiological changes occur during exercise
Not what you're looking for?
Many physiological changes occur during exercise.
a. Design a controlled experiment to test the hypothesis that an exercise session causes short-term increases in heart rate and breathing rate in humans
b. Explain how at least three organ systems are affected by this increased physical activity and discuss interactions among these systems
Purchase this Solution
Solution Preview
Controlled experiment
Many physiological changes occur during exercise. ?
a. Design a controlled experiment to test the hypothesis that an exercise session causes short-term increases in heart rate and breathing rate in humans ?
A controlled experiment means that you have a control group. For your experiment, the independent variable is the exercise session and the dependent variable is the heart and breathing rate.
You need a control group because there are other things that can cause short-term increase in heart and breathing rate such as chemicals in the air, music, visual stimulus (watching an action movie, etc), etc.
A sample experiment to test the above hypothesis could be as follows:
The control group will not exercise and the experimental group will. The total experiment lasts 30 min.
1- Measure heart and breathing rate at the beginning ...
Purchase this Solution
Free BrainMass Quizzes
Hemophilia: Fact or Fiction
Do you know the truth about hemophilia? Test your knowledge here.
Parts of the Brain
This quiz will test your knowledge on different areas of the brain.
BIOLOGY
Basics in biology
Understanding the Musculoskeletal system
Introduce and understand basic information how the skeletal system and muscular system work in close concert with one another. And how their interaction between muscle and bone, as they work together to allow us movement.
How Much Do You Know About Genetic Inheritance?
Most of us studied the basics of dominant and recessive genes at some point. However, genetics are much more complicated than this. How far beyond the basics does your knowledge go?