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Exercise Physiology in Relation to Homeostasis

Categories: Human Physiology


Homeostasis is maintaining the steady state of any animals or living organisms’ functions while the order of the environment changes around them (Burness et al, 2018).

When the temperature and other conditions of the environment changes, it will also affect the animal’s inner state, becoming negatively influenced (Burness et al, 2018). As aspects of the environment change, the organism ought to regulate their inner state (Burness et al, 2018). Depending on the external environment change, if the animal is sensing the heat by using their sensory receptors, the brain is signaled to cool the animal’s internal temperature (Burness et al, 2018). The brain then signals effectors that helps cool down the animal’s internal temperature by release through the sweat glands until the internal temperature of the animal has cooled down (Burness et al, 2018). This was used as an example to demonstrate the process of homeostasis, the experiment conducted also shows the homeostasis of human beings during exercise.

In the experiment, the homeostasis of two individuals were explored as their bodies maintain the internal environment while they were doing exercise (Burness et al, 2018). The variable between the two individuals is one of them is an active female and the other is a non-active female. To investigate the different systems, we selected two parameters to support the hypothesis. The different systems that were chose to be investigated were the respiratory and thermoregulatory system by using the parameters of lung capacity and external temperature. The lung capacity was measured with cubic centimeters and the external temperature was measured with degree Celsius.

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The hypothesis is that the recovery rate of an active female should be different than the recovery rate of a non-active female. We predicted that an active female’s recovery rate should be faster, lung capacity should be larger and external temperature should be lower when compared to a non-active female. The predictions were tested by using equipment to investigate the parameters. Typically, an individual who is more active would have the capability to adapt quicker to the changes that exercise applies to the person compared to a non-active individual.


The experiment is exploring the difference between recovery rates of an active female compared to a non-active female. To begin the experiment, we decided on what systems should be examined and what parameters should be investigated. As a group, we decided the examine the respiratory and thermoregulatory systems by measuring lung capacity in cubic centimeters and the external temperature in degree Celsius. To measure the lung capacity, the equipment used was a spirometer and the external temperature was measured by the use of an infrared thermometer. Once, we decided on the equipment that was going to be used to support the hypothesis, we had to decide on the exercise the two subjects had to do. We decided on fifty jumping jacks for both the subjects to truly examine the difference between an active female and a non-active female. According to the Borg scale rating, we were told that an exercise between the rating of 14-15 that means exercise that increases heart rate and breathing of the subjects. We decided on the amount of jumping jacks after the subjects did thirty jumping jacks and noticing that the subjects’ heart rate and breathing were not increased. We aimed for fifty jumping jacks and saw both subjects were breathing a little more heavily and their hearts were beating faster. Before making the subjects do the exercise, we recorded the resting lung capacity and external temperature of the subjects, as they were relaxed for more than 5 minutes. After the parameters were recorded for the resting period, the two subjects were told to do the exercise. As soon as both the subjects were done exercising, we measured the response of the exercise with the spirometer and the infrared thermometer. After both the subjects’ responses were recorded, we moved onto the recovery examination. For the recovery portion of the experiment, both the subjects were told to recover for three minutes and their lung capacity and the external temperature was recorded. We then kept track and recorded their lung capacity and external temperature every three minutes for twenty-one minutes. Once the first trial was completed, we repeated the trial two more times to get the average of both the subjects. After all three of the trials were completed, we averaged the measurements which will be discussed in the results. .


  1. Burness, G. 2019. Introduction to Homeostasis. PowerPoint.
  2. Burness, G., Rutledge, L. and Pieper, S. 2019. Exercise Physiology. Trent University, Peterborough, ON.
  3. Morris, J., Hartl, D., Knoll, A., Lue, R., Michael, M.., Berry, A., Biewener, A., Farrell, B. and Holdbrook, NM. 2016. Biology: How Life Works (2nd edition). W.H. Freeman and Company, New York, NY. p. 764- 765.

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Exercise Physiology in Relation to Homeostasis. (2021, Apr 08). Retrieved from

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