The definition of naturalism is a view, particularly a philosophical and artistic one, that bases everything on what can be seen, what is viewed as natural and what is viewed as Earthly. An example of naturalism is an atheistic viewpoint. naturalism.
is caffeine a vasoconstrictor or a vasodilator? Answers: vasoconstrictor. vasoconstritor and a diuretic. Caffeine is also a known competitive inhibitor of the enzyme cAMP-phosphodiesterase (cAMP-PDE), which converts cyclic AMP (cAMP) in cells to its noncyclic form, allowing cAMP to build up in cells.
A vasodilator can be: 1) a chemical substance such as from food (CO2 from carbohydrates, fats, and NO derived from arginine) 2) or various stimuli, such as reactive hyperemia (in skin and muscles), exercise hyperemia (muscle), whole body heating (skin) and mental stress (muscle).