Despite the Open Ocean's Low Net Primary Productivity (NPP),it Produces

question 79

True/False

Despite the open ocean's low net primary productivity (NPP),it produces more of the earth's biomass per year than any other ecosystem or life zone.

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Definitions:

AV Node

The Atrioventricular Node, a part of the heart's electrical system that delays the transmission of electrical impulses from the atria to the ventricles.

Semilunar Valves

Heart valves located at the exits of the right and left ventricles of the heart, preventing backflow of blood into the ventricles; includes the aortic and pulmonary valves.

Ventricular Diastole

is a phase of the heart cycle during which the ventricles relax and fill with blood following contraction.

Cardiac Cycle

The sequence of events that occur in the heart during one heartbeat, involving contraction and relaxation of the atria and ventricles.