Photosynthesis is when a plant converts sunlight into energy, and cellular respiration is when cells convert food into energy.
Are you talking about the esophagus?
Answer:
Its folded mountains
Explanation:
I just took the quiz :) hope this helps.
Answer:
the structure of the lipid bilayer allows small,uncharged substances such as oxgen.and the carbondioxiode,and hydrophobic moleclues such as lipid to pass through the cell membrane