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 can be stored indefinitely if it is kept in the proper environment. It should be kept in a dry place, out of direct sunlight. It is also necessary to keep it away from toxic chemicals, such as cleaning agents, solvents, or gasoline.