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An investigation to show the increase in pulse rate after exercise  

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An investigation to show the increase in pulse rate after exercise Aim: - The aim is to find out the difference and effect of pulse rate after exercise. Prediction I predict that my pulse rate will be higher after exercise. Scientific Knowledge The heart is an important organ in our bodies. Its job is to pump sufficient blood to muscles and organs in our bodies. The blood has many parts; Red Blood Cells, White Blood Cells (Lymphocytes), Platelets (Thrombocytes), Plasma and hormones, such as Anti-Diuretic Hormone (ADH). White Blood Cells engulf, ingest then digest bacteria and viruses found in the Circulatory system, such as Listeria Monocytogenes and Streptococcus Pneumoniae. Red Blood Cells contain a substance called Oxy-haemoglobin. Oxy-haemoglobin contains Oxygen, which then diffuses into the muscles. This substance now becomes haemoglobin, due to the diffusion of the Oxygen. When we exercise we respire aerobically. This means using Oxygen but it gets to our...

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