1.

Neelima conducted an activity on her friends and got the following results.S.No.NameHeart beat at rest/minHeart beat after jogging / minPulse rate at rest / min1.Jeevan72109722.Jeevan75110743.Reshma7311173i) What is the relation between heart beat and pulse rate?ii) Why is the heart beat rate more after jogging?

Answer»

i) Heart beat rate is equal to pulse rate.

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



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