Answer:
-Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Explanation:
That's called "livor mortis."
When we die, our blood stops pumping through our bodies.
And when it stops, gravity causes it to settle toward the ground.
So, pretend that you die while laying on your stomach.
After you die, the blood in your body will stop pumping,
and it will gather to the front of your body,
because you are laying on your front.
Well if this is caused by allergies, most allergy meds do cause drowsiness. Try also a nasal spray.
B. Intensity.
Hope this helps.