Disease
A disease is any condition which results in the disorder of a structure or function in a living organism that is not due to any external injury. The study of disease is called pathology, which includes the study of cause. Disease is often construed as a medical condition associated with specific symptoms and signs. It may be caused by external factors such as pathogens or by internal dysfunctions, particularly of the immune system, such as an immunodeficiency, or by a hypersensitivity, including allergies and autoimmunity.
Health
Health is the ability of a biological system to acquire, convert, allocate, distribute, and utilize energy with maximum efficiency. The World Health Organization (WHO) defined human health in a broader sense in its 1948 constitution as "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity." This definition has been subject to controversy, in particular as lacking operational value, the ambiguity in developing cohesive health strategies and because of the problem created by use of the word "complete", which makes it practically impossible to achieve. Other definitions have been proposed, among which a recent definition that correlates health and personal satisfaction.
Membrane
A membrane is a selective barrier; it allows some things to pass through but stops others. Such things may be molecules, ions, or other small particles. Biological membranes include cell membranes (outer coverings of cells or organelles that allow passage of certain constituents); nuclear membranes, which cover a cell nucleus; and tissue membranes, such as mucosae and serosae. Synthetic membranes are made by humans for use in laboratories and industry (such as chemical plants).
Transport
Transport or transportation is the movement of humans, animals and goods from one location to another. Modes of transport include air, land (rail and road), water, cable, pipeline and space. The field can be divided into infrastructure, vehicles and operations. Transport is important because it enables trade between people, which is essential for the development of civilizations.
Transport
I can transport matter — anything — at the speed of light, perfectly. Of course this is only a crude beginning, but I've stumbled on the most important discovery since man sawed off the end of a tree trunk and found the wheel. The disintegrator-integrator will change life as we know it. Think what it means. Anything, even humans, will go through one of these devices. No need for cars or railways or airplanes, even spaceships. We'll set up matter-receiving stations throughout the world, and later the universe. There'll never be famine. Surpluses can be sent instantaneously at almost no cost, anywhere. Humanity need never want or fear again. I'm a very fortunate man, Hélène.
James Clavell The Fly (1958) André Delambre (David Hedison) to his wife Hélène
Health
There are three wicks you know to the lamp of a man's life: brain, blood, and breath. Press the brain a little, its light goes out, followed by both the others. Stop the heart a minute, and out go all three of the wicks. Choke the air out of the lungs, and presently the fluid ceases to supply the other centres of flame, and all is soon stagnation, cold, and darkness.
Oliver Wendell Holmes, Sr., The Professor at the Breakfast Table (1859), XI.
Transport
Without an understanding of causality there can be no theory of communication. What passes as information theory today is not communication at all, but merely transportation.
Marshall McLuhan (2011) The Book of Probes : Marshall McLuhan. p. 362
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