Answer:
ingestion, digestion, absorption, elimination
Explanation:
The mammoth is the most commonly known animal that lived during the Ice Age but is extinct today.
This might help: https://www.livescience.com/51793-extinct-ice-age-megafauna.html
In photosynthesis, carbon dioxide, light energy, and water from the soil is used to create the plant's food, usually glucose. The waste product released is oxygen. I guess put oxygen for both boxes point out from the leaves.
I believe that the chemical buffers provide the shortest term mechanisms for preventing acid-base imbalances in the body. Chemical buffers normally act within a fraction of a second to resist a pH change. On the other hand the longest mechanism is the kidney system which ordinarily requires from several hours to a day or more to affect changes in blood pH.
