Assimilation is taking place in the liver or any other cell. â¢ In absorption, nutrients are added to the blood stream or lymph, but in assimilation, nutrients are taken out from the blood stream/ lymph. Related posts: 1  Difference Between Mechanical Digestion and Chemical Digestion.
Why Bottled Water Has an Expiration Date. Bottled water may carry an expiration date, but under typical storage conditions it does not go bad. It can grow algae and absorb chemicals from its container that make it taste bad. GNL Media / Getty Images.
Expiration on Opened Distilled Water Bottle. Does anyone know if an opened bottle of distilled water goes bad? I've had a one gallon bottle for almost a year now and I've only used 1/3 of it. I keep it in a dark cool place but I'm wondering if there's an expiration on opened bottles or if the opened bottle shoudl be discarded after a certain time period.