Yes and no.
Yes- simply because even though they are not real out in the real world they are because they are humanoids inside a virtual gaming type world
No- simply because they are not walking among us other humanoids or even alive on the real planet
There are three kinds of blood vessels: arteries, veins, and capillaries. Each of these plays a very specific role in the circulation process. Arteries carry oxygenated blood away from the heart. They're tough on the outside but they contain a smooth interior layer of epithelial cells that allows blood to flow easily.
Answer:
communicating at all hours
Explanation:
Well, the cells and bricks are similar because cells are the building blocks of life and bricks are the building blocks of buildings. Cells are necessary for life, bricks are necessary for buildings.
They are different in the way of cells have nucleus'es (plural form of nucleus, I suppose) and other things inside it that do jobs, bricks don't have that.