Age-related changes in the heart

There are two other options. The efficiency of the heart and other body systems should increase with the age. You can imagine the consequences of that. The efficiency of the 500 years old people will be more than 400 years old. The other option is that the efficiency of the people should remain same with the advancing age. Then why should he die all of sudden with out the reason? The fact is that the nature is not interested in you once you pass the reproductive age group. The fact is that all the animals take care of the young ones. No animal species take care of the elderly animals. Be thankful too the society and family for taking care of the elderly people. So it is too natural to lose the efficiency of the heart as the age advances. This process is called as ageing.