tic
(Science: clinical sign) An involuntary compulsive, repetitive, stereotyped movement, resembling a purposeful movement because it is coordinated and involves muscles in their normal synergistic relationships, tics usually involve the face and shoulders.
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
