The pyloric valve control food movement from the stomach into the small intestine.
<span>It has influence on many things like economy, industry, transport and so on.
</span>
It’s the first one because osmosis is always about the movement of water
Answer:
In cells, some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.
Explanation:
<h2>Follow instagrm at --> mvnnyvibes</h2>
