I believe the answer is respiration
Answer:
<em>The definition of an organism is a creature such as a plant, animal or a single-celled life form, or something that has interdependent parts and that is being compared to a living creature. An example of an organism is a dog, person or bacteria. An example of an organism is one party in the political organism.</em>
D-walls and doors would represent the cell membrane
Answer:
<h2><em><u>Digestive</u></em><em><u> </u></em><em><u>system</u></em><em><u>, </u></em><em><u>Muscular</u></em><em><u> </u></em><em><u>system</u></em><em><u> </u></em></h2>
Explanation:
Digestive and muscular systems would be working together to chew food and work it down to the stomach to be digested.
