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Year 9 Coursework Introduction How does exercise affect the pulse rate? To answer this question, we need to know what the pulse rate is and how it functions and what other organs in the body are involved in the process of affecting the pulse rate. My investigation will involve conducting a fair test with a volunteer in a physical exercise activity. My results will be shown in graph form which will I will evaluate and conclude. Pulse The pulse is the flow of blood through an artery from one contraction of the heart muscle. Our pulse can be located in several places such as the neck, wrist, or groin area. The pulse beats due to the rhythmic movement in the arteries, caused by the beating of the heart as it pumps the blood through them. The pulse can be felt when an artery passes over a solid structure such as the bone or a...

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