A) less RBC in blood
B) thymus gland becomes non - functional
C) brain cells die with ageing
D) all of the above
Correct Answer: B
Solution :
According to the immunity theory of ageing due to decline of thymus, immunity decreases resulting in more diseases, damage and destruction of cells and tissues. Ageing is a progressive deterioration in structure and function of cells and tissues with age.You need to login to perform this action.
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