Answer :
Final answer:
Kidneys become less efficient with age, impacting waste removal from the blood.
Explanation:
Kidneys play a crucial role in filtering waste from the blood. As kidneys age, they can become less efficient in removing waste, leading to a build-up of toxic substances in the blood. This decreased efficiency can result in various health issues, such as abnormal fluid levels, deranged acid levels, and anemia.
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