LAB REPORT 2
Effects of exercises on heart rate and blood pressure
What happens to the heart rate and blood pressure during exercise and at rest?
During rest, the heartbeat ranges around 70-80 per minute, and after exercise, the heart
rate elevates than normal. Besides, blood pressure increases during exercise.
After the experiment, the heart rate, as well as the blood pressure, should be higher than the
i. Give three people labels indicated ABC
ii. The three people should be put to rest for at least minutes
iii. Measure the blood pressure of all the subjects as well as listen to their heart rates using a
iv. Subject A and B to ride bicycles for at least five minutes
v. Measure the blood pressure of all the subjects including subject C that was at rest using
the sphygmomanometer and record.
vi. Use the stethoscope to listen to the heart rates of all subjects, A, B and C, and record.
vii. Let subject A continue riding the bicycle and B to rest for five minutes.
viii. After five minutes, stop subject A and measure his blood pressure using the
ix. Measure the blood pressure of subjects B and C as well using the sphygmomanometer
x. Using the stethoscope, listen to the heart rates of all the subjects and record the number of
heartbeats per minute.
After bicycle riding, the subjects showed an increased breathing rate.
i. Subject labeled A had a blood pressure of 115/76, B- 121/79, and C- 115/78.
ii. Subject A, B, and C had heartbeats of 65, 71 and 68 respectively after resting for
iii. After riding the bicycle, A had a blood pressure of 130/85, B 136/88, and C had 115/78.
Heartbeats were recorded 177, 165 and 68 respectively.
iv. After five additional minutes riding, subject A measures a blood pressure of 135/87, and
heart rate of 177.
v. Subject B and C after a five-minute rest measure a blood pressure of 108/70 and 115/78
vi. The heart beats counted 179, 66 and 65 respectively.
Exercises increase the involuntary biological activities of the body, such as respiration.
During a vigorous exercise, the body needs more oxygen to convert biochemical energy from
body nutrients into energy and waste products. The energy helps the body to function at optimum