I believe that the answer you're looking for is Water.
Endocytosis carry substances into the cells, and exocytosis is what the cell rejects.
Cellular respiration<span> is the process cells use to make energy. Cells in our body combine glucose and </span>oxygen<span> to make ATP and carbon dioxide. </span>Cellular respiration <span>starts with glycolysis, where glucose enters the </span>cell<span>, is converted to pyruvate, and makes a few ATP and NADH.</span>
