Wood units A simplified measurement of pulmonary vascular resistance that uses pressures instead of more complicated units measured by subtracting pulmonary capillary wedge pressure from the mean pulmonary arterial pressure and dividing by cardiac output in liters per minute...
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
Dinosaurs represented a major turn in the evolutionary development of organisms on Earth. The first dinosaurs were presu..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
