I really think that its the second one; Nihilist
Answer:
cell membrane
Explanation:
The cell membrane in the diagram consists of lipids, bilayers, and proteins. The lipids, located within the cell membrane, are known as hydrophobic, meaning they are afraid of water. In other words, the lipids keep out the water. Whereas the bilayer, otherwise known as the phospholipid bilayer, is attracted to water. While the proteins simply enable molecules and other microscopic parts travel within and out the cell membrane, through the protein.
Ah, I'm not sure. I hope someone helps you!
I believe the answer you are looking for is they are all body systems found in the human body, or organ systems.
Answer:
D
Explanation:
the only arrow that points out of the atmosphere is D