piles (Science: medicine) The small, troublesome tumours or swellings about the anus and lower part of the rectum which are technically called haemorrhoids. Origin: The singular pile is sometimes used. Blind piles, haemorrhoids which do not bleed. Origin: L. Pila a ball. Cf. Pill a medicine...
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..
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 movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
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Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
