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Effect Of Exercise On The Body - Example Papers

Effect Of Exercise On The Body

Task 3: Investigating the effect of exercise

Gemma Pearson

Hypothesis

It is hypothesized that when 4 year 12 students exercise for 2 minutes their heart rate, breathing rate and temperature will increase.

Purpose of the investigation

The purpose of this investigation focuses on homeostasis of the body. Heart rate, breathing/respiratory rate and temperature are each regulated to remain at a fairly constant level in order for the body to function at its optimum. The aim of this investigation is to see just how much only 2 minutes of exercise (light jogging) disrupts the normal resting rate of these three dimensions. The investigation works with 2 males and 2 females, ...

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this is called an increased heart rate. Both your breathing rate and heart rate increase due to an increased demand for oxygen in the muscles for respiration to take place. Carbon dioxide build up, caused by consumption of oxygen in muscles, lowers the pH of the blood, which is detected, and hormones are released to increase breathing rate. The increased rate of energy production during exercise often creates more heat than is necessary. This means your body has to somehow release this heat to prevent your temperature from becoming dangerously high. To maintain homeostasis, your body activates the sweating process and vasodilation, which helps remove the heat from your body and release it into the surrounding environment.


Materials

Qty
Material
1
Stop watch
2
Digital thermometer
...

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box, in the matching column; heart rate, temperature or breathing rate.

* Steps 7, 8, 9 and 10 are repeated for the other 2 participants.

Heart rate was measured beats per minute
Breathing rate was measured breaths per minute
Temperature was measured degrees Celsius

Three variables controlled were:
* Time spent exercising
* Type of exercise
* Equipment used for before and after tests

Tables
Effect of 2 minutes light jogging on breathing rate, temperature and heart rate

Breathing Rate (Breaths per minute)
Heart Rate
(Beats per minute)
Temperature
(Degrees Celsius ...

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PAPER DETAILS
Added: 5/29/2013 12:19:31 PM
Submitted By: gemdrop96
Category: Health & Medicine
Type: Premium Paper
Words: 2497
Pages: 10

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