Osmosis of Water Across the Membrane. Osmosis is the tendency for water molecules to move from where there is a higher concentration to where there is a lower one. ... The cell membrane helps to regulate and slow down the flow of water into the cell. This is yet another way that the cell membrane helps maintain homeostasis
<span>By filtering the air so that the lungs so the lungs don't get infected</span>
Have a control. You have to have something to compare your experimental results or else your results could be random chance.
Answer:
1. hydrogen; 2
2. it means two strands of DNA twisted around each other like a winding staircase
