Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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There are 60,000 miles of blood vessels in every adult human.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
A plant infected with tobacco mosaic virus
Plant adaptations for salty conditions.
Plant
Structure of Taste Receptors
Plant Anatomy
Structure and function of the gills of a bony fish.
