Exercise

Question 1

What are the effects of exercise on breathing rates?

Answer 1

When exercising, cells will need more oxygen and produce more carbon dioxide as a result of increased respiration (energy is made during respiration)

Question 2

Why does breathing rates change with and after exercise

Answer 2

This is because your body uses more oxygen and produces more carbon dioxide

Question 3

Example of an experiment to investigate the effect of exercise on breathing rate?

Answer 3

First of all, to measure the breathing rate of a person before they do the exercise. For that person to do 2 minutes of exercise, and immediately after record their breathing rate again. Finally to measure their breathing rate after a couple minutes of rest.

Subject: 1 person/ different people
Independent variable: levels of exercise
Dependent variable: breathing rate