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.
Bottled water is sold with an expiration date on the label, but that doesnât necessarily mean you canât still drink it once the date has passed. This video explains how water can potentially become undrinkable, and when itâs safe to drink otherwise.