Heart Rate and Exercise - 1441 Words

Literature Review The human heart is a very complicated organ, with the main purpose to pump life sustaining blood throughout the human body. It also supplies oxygen and nutrients to all areas and clears harmful waste from the body. The heart is made up of cardiac muscle which beats on its own. According to the article ‘heart ‘which was written by The National Geographic the heart will slow down or speed up depending on how the body is being used. This is done by nerve signals which are being sent from the brain. This indicates that in order for the body to keep on going, the heart will need to pump more blood through the body when say doing exercise due to the muscles being used on a higher level, which will then lead to more beats†¦show more content†¦http://www.active.com/fitness/articles/how-does-exercise-affect-your-heart ), in order to keep the experiment consistent this aspect may be something considered. The limitations of this though is that it’s only focused on one age and one person, this leaves a gap in the experiment as it doesn’t involve other people of this age group and therefore will not give an overall result for the age group. The other control which is a part of the variable is the duration of the activity and the resting time between activities. As the time of the activity increases, the body must work harder to flow more oxygenated blood to muscles in order for the body to keep going, this concludes that in order for the experiments results to be consistent the duration needs to controlled, this also involves the resting time. As the body recuperates the higher the chances of the heartbeat rate to change, this is why between the activities of jogging on the spot and star jumps the resting time is 5 minutes. The main areas which could be improved in this experiment are the amount of repetitions of the activities jogging on the spot and star jumps, in order for any experiment to be reliable their needs to be a high amount of repetition for the results to be consistent. Another aspect which could have been improved is the amount of people used for the experiment and also the different types of activities to prove if the heartbeat rate is affectedShow MoreRelatedThe Effect Of Heart Rate On Exercise1178 Words   |  5 PagesThe Effect of Heart Rate on Exercise By: Danielle Dufault Biology 122 October 10, 2016 Lab Partners: Carlie Tammaro, Emily Guay, James Dawli Introduction The effects of heart rate on differing durations of exercise were studied in this experiment. For people, heart rate tends to increase as they perform physical exercises. The amountRead MoreInvestigation Into Intensity Of Exercise And Heart Rate996 Words   |  4 Pagesinto intensity of exercise and heart rate Aim – To determine the effect of intensity of exercise on heart rate. Background research – The heart belongs to the circulatory and cardiovascular systems. The circulatory system delivers oxygen and nutrients to cells, takes away wastes, uses the heart to pump oxygenated and deoxygenated blood on different sides and has different types of blood vessels including arteries, capillaries and veins. (Better Health Channel, 2012) The heart is the main organRead MoreEffects of Aerobic Exercise on Heart Rate811 Words   |  4 PagesAerobic Exercise on Heart Rate Introduction: Our bodies need to be in balance in order to function properly, and there are many ways the body maintains balance, or homeostasis. Homeostasis is the maintenance of nearly constant conditions in the internal environment. 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When the exercise is finished the heart and ventilation rates will gradually