Question

5. Which of the following internal changes is not a symptom of growing old?
(A) Changes in the respiratory system
(B) Changes in the gastrointestinal system
(C) Changes in the cardiovascular system
(D) Changes in the digestion system​

Answer 1

I didn't think that this options have right answer because all options are the symptoms of being old.

Explanation:

please mark me as brainlist

Answer 2

Answer:

I think it's a

but not sure