Explanation:
D the substance get downeards
D.) Esophagus. The esophagus carries food from the mouth down to the stomach.
It comprises a group of naturally occurring molecules that include fats<span>, waxes, sterols, </span>fat<span>-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, phospholipids, and others. ... The word </span>lipid<span> stems etymologically from the Greek lipos (</span>fat<span>).</span>
Answer:
its the first one 6CO2 + 6H20 ===> C6H12O6 + 602
Explanation: