regurgitation (Science: cardiology, gastroenterology) A backward flowing, as the casting up of undigested food or the backward flowing of blood into the heart or between the chambers of the heart when a valve is incompetent. Origin: L. Gurgitare = to flood..
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..
The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..
