Question

Neelima conducted an activity on her friends and got the following results.

S.No.	Name	Heart beat	Heart beat after jogging / min	Pulse rate at  rest / min
1.	Hari	72	109	72
2.	Kalyan	75	110	74
3.	Rupa	73	111	73

(1) What is the relation between heart beat and pulse rate ? 

(2) Why the heart beat rate is more after jogging ?

Answer 1

(1) Heart beat rate is equal to pulse rate. 

(2) In the jogging muscles need more oxygen to produce high energy. To supply this oxygen heart beat is increased after jogging.