Observe the table and answer the questions given below.New bornInfants

1.	Observe the table and answer the questions given below.New bornInfantsInfantsChildrenChildern overWell-trained(0 – 3 months)(3 – 6 months)(6 – 12 months)(1 – 10 years)10 years & adults, including senior citizensadults, athletes100 – 15090 – 12080 – 12070 – 13060 – 10040 – 60Why is heart beat less in athletes ?
Answer» The heart of an athlete works harder when other muscles in the body pump more blood to the heart. The major muscles of the legs have large veins that fill during relaxation stage of the movement. The muscle contraction in the active movement pushes the blood back into the circulatory system. The heart of an athelete pump more blood per beat. Maximum heart beat rate as well as resting heart beat rate falls below the pace of the average heart beat.

Observe the table and answer the questions given below.New bornInfantsInfantsChildrenChildern overWell-trained(0 – 3 months)(3 – 6 months)(6 – 12 months)(1 – 10 years)10 years & adults, including senior citizensadults, athletes100 – 15090 – 12080 – 12070 – 13060 – 10040 – 60Why is heart beat less in athletes ?

Answer»

The heart of an athlete works harder when other muscles in the body pump more blood to the heart.

The major muscles of the legs have large veins that fill during relaxation stage of the movement.

The muscle contraction in the active movement pushes the blood back into the circulatory system.

The heart of an athelete pump more blood per beat. Maximum heart beat rate as well as resting heart beat rate falls below the pace of the average heart beat.

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