Mathematics
Mathematics, 23.06.2019 11:00, cjd1214812148

Your heart beats 240 beats per 4 minutes at this rate how many times will your heartbeat in a hour don't spam random letters or i'll delete your answer.

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Health, 10.07.2019 10:00, ashtonbillups
Need with experiment lots of points! step 1: lie down in a comfortable position for 3-5 minutes. after the time has elapsed, count the number of times your heart beats in 6 seconds. multiply times ten to get the number of beats per minute. to find your pulse, place your index and middle fingers under your jawline on either side of your larynx. do not use your thumb. record your heart rate. step 2: sit in a chair for 3-4 minutes, then count the number of times your heart beats in 6 seconds. multiply times ten to get the number of beats per minute. record your heart rate. step 3: stand for 3-4 minutes, then count the number of times your heart beats in 6 seconds. multiply times ten to get the number of beats per minute. record your heart rate. step 4: run in place for 60 seconds, then count the number of times your heart beats in 6 seconds. multiply times ten to get the number of beats per minute. record your heart rate. step 5: do jumping jacks in place for 60 seconds, then count the number of times your heart beats in 6 seconds. multiply times ten to get the number of beats per minute. record your heart rate. step 6: sit in a chair for 60 seconds, then count the number of times your heart beats in 6 seconds. multiply times ten to get the number of beats per minute. record your heart rate. step 7: lie down for 60 seconds, then count the number of times your heart beats in 6 seconds. multiply times ten to get the number of beats per minute. record your heart rate. answer the following questions. 1) according to your data, what kind of activities increased your heart rate? 2) according to what you have learned about the circulatory and respiratory systems, explain how and why your heart changed its rate.
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