effects of exercise - required practical

Question 1

what happens to heart rate as a result of exercise?

Answer 1

increases to supply more oxygen and glucose as a result of increased blood flow
for aerobic respiration due to more muscle contractions because more energy provided

Question 2

what happens to CO2 removal

Answer 2

rate of removal increases because increase blood flow

Question 3

what happens to breathing

Answer 3

increases frequency
increases volume of each breath

Question 4

what is the method for the required practical linked to effects of exercise

Answer 4

place a step on dry surface against a wall
take heart rate of subject
start with a low step rate and immediately after record heart rate
allow subject to rest until the heart rate returns to the baseline level

Repeat for different step intensities

Question 5

how do we record heart rate

Answer 5

place hands on pulse and count for 20 seconds then *3

Question 6

what are the potential risks

Answer 6

step moving
bad footwear
medical conditions