Answer:
Your digestive system breaks down and absorbs nutrients from the food and liquids you consume to use for important things like energy, growth and repairing cells.
<span> volume ratio gets </span>smaller<span> as the</span>cell<span> gets larger. Thus, if the </span>cell<span> grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the </span>increased<span>cellular volume.</span>
<span>B) The cold front advances without bringing any change in the weather.</span>
It must be able to replicate it's DNA
For future reference, please organize your questions better :)
I believe that would be vitamin A, because vitamin A generally increases with age.
Hope it helps!