<span>There are three major types of blood vessels: the arteries, which carry the blood away from the heart; the capillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart</span>
Wine and alcohol beverages are the only things that i can think of
Least dense to most dense: gas, solid, liquid.
Density-dependent regulation can be affected by factors that affect birth and death rates such as competition and predation.