As a group, you must consider the following, and write down your ideas. When you begin to exercise, your heart rate increases to meet the higher oxygen demands of your muscles. Specifically, exercise training has been shown to increase resting parasympathetic tone and to decrease sympathetic tone in both humans and animals. How does exercise affect heart rate? Once you reach a steady state, heart rate plateaus. How long does it take for the heart to return to normal? This experiment was geared towards determining the pulse rate, heart rate, blood pressure level and the breathing rate of a student, during and after strenuous exercise activities. Think: running, jogging, swimming, biking, or spinning. Hypothesis: If you test people who do high intensity cardiovascular exercise and those who do not exercise,than the people who do high intensity exercise will have a lower heart rate because their heart is more effecient. Prediction: For my prediction, I predict that as the amount of exercises increases, the heart rate will increase too. As a group, you must consider the following, and write down your ideas. Your pulse rate does increase after exercising because when you exercise your body has to pumps more blood. Investigation: How Does Exercise Affect Heart Rate? Investigating the Effect of Exercise on Heart Rate Aim The aim of this experiment is to investigate how exercise affects heart rate. The Effect of Exercise on Heart Rate 736 Words | 3 Pages. If you and your child are searching for a good experiment for your local school district science fair and you’ve never done one before, don’t panic -- there are many experiments you can choose from. Objectives. Obtain graphic representation of heart rate and blood pressure. In both experiments my pulse rate took four minutes to get back to normal. The effects of exercise on the body's vital signs. The Effect of Exercise on Heart Rate Aim: In this investigation I am trying to find out if exercise have any effects on the heart rate. Step 1: Design the Experiment. In this experiment, you will. Cardiovascular exercise involves the use of large muscles in a repetitive fashion, activating muscle fibers programmed for endurance and utilizing a heart rate range anywhere from 40 to 85 percent of your maximum heart rate. During exercise, the heart must beat faster to eliminate excess carbon dioxide and increase the supply of oxygen in the body. Problem: How does exercise affect your heart rate? As a group, develop a plan to answer the experimental questions, make sure you address all of the questions. As I already explained in my hypothesis, the heart has to pump more blood because when you exercise, the cells that are in your muscles need more energy to move. 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