Heart has to pump blood more forcefully in older persons due to

Increased elasticity of arteries

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Decreased elasticity of arteries

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Decreased efficiency of heart

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Increased efficiency of heart

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Solution

The correct option is B Decreased elasticity of arteries
With the advancing age, the elastic tissue in the tunica media of arteries is replaced by inelastic fibrous tissue due to which the function of arteries gets impaired. Thus, for the proper flow of blood to the body, the heart has to pump blood more forcefully in the older people.

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