A plant cell is rectangular, while an animal cell is circular.
My main goal is to find my will to be alive
<span>Fats, oils and cholesterol are all types of lipids.Lipids are biomolecules that consist in long chains of carbons and hydrogen, insolubles in water (becauise they are not polar). Many lipids have in common the functional group corboxilic, COOH. Cholesterol, fats and oils all have carboxlic group. </span>
The respiratory system contains the lungs, so the answer is C. Hope this helps.
