473 words - 2 pages

BIO LAB REPORT

TOPIC- GAS EXCHANGE

AIM- To find out the effect of exercise (jogging) on breathing rate

RAW DATA- The data below was collected from four individuals belonging to the same age group, after 0 minutes, 2 minutes, 4 minutes and 6 minutes of jogging after regular intervals. The columns represent the trial numbers, and minutes of exercise done by the individuals. The rows represent the number of breaths per minute (breathing rate), of the individuals, within the duration of one minute after each exercise.

BREATHS PER MINUTE AFTER EACH EXERCISE PERIOD

TRIALS

0 MINS

2 MINS

4 MINS

6 MINS

Trial 1

22

30

34

38

Trial 2

18

28

38

44

Trial 3

16

27

35

44

Trial 4

20

26

34

47

PROCESSING THE DATA-

FINDING THE AVERAGE BREATHING RATE AFTER EACH EXERCISE-

AVERAGE BREATHING RATE AFTER EACH EXERCISE PERIOD-

? 0 Minutes of exercise (Resting phase)- = 19 Breaths/minute

? 2 Minutes of exercise- = 27.75 Breaths/minute

? 4 Minutes of exercise- = 35.25 Breaths/minute

? 6 Minutes of exercise- = 43.25 Breaths per minute

STANDARD DEVIATION-

? 0 Minutes of exercise

22- 19 = 3^2= 9

18- 19 = -1^2= 1

16- 19 = -3^2= 9

20- 19 = 1^2= 1

? (9+1+9+1)/4 = 5

? 2 Minutes of exercise

30- 27.75 = 2.25^2= 5.0625

28- 27.75 = 0.25^2= 0.0625

27- 27.75 = -0.75^2= 0.5625

26- 27.75 = -1.75^2= 3.0625

? (5.0625+0.0625+0.5625+3.0625)/4 = 2.1875~ 2.2

? 4 Minutes of exercise

34- 35.25 =...

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