Question

Aim: To find the relation between the pulse rate and the heart beat.
1.When you place the match stick stethoscope on your wrist, you observe the movements in match
stick. what did you find? 2.When do you think that our pulse rate goes up ? 3.what does the pulse rate show? 4.what makes the match stick move rhythmically?​

Answer 1

Explanation:

1.It is because of the heart beat as pulse rate shows our heartbeat.

2.The pulse rate goes up when the heart beats fast.

3.The pulse rate shows our heartbeat.

4.Our uniform heartbeat makes the matchstick move rhythmically.

Answer 2

1. we find the match stick will oscillate with the vibration of the pulse rate of our heart