Immune System The immune system is a network of cells, tissues, and organs that work together to protect the body from infection. Although scientists have learned much about the immune system, they continue to study how the body targets invading microbes, infected cells, and tumors while ignoring healthy tissues.mmune System The immune system is a network of cells, tissues, and organs that work together to protect the body from infection. Although scientists have learned much about the immune system, they continue to study how the body targets invading microbes, infected cells, and tumors while ignoring healthy tissues.
A truffle is the fruiting body of an underground mushroom. Its spores are dispersed by fungivores, animals that eat fungi.Almost all truffles are found in close association with trees. There are hundreds of species of truffles that are big, but the fruiting body of some (mostly in the genus 'Tuber') are highly prized as a food.The 18th-century French gastronome Brillat-Savarin called these truffles the diamond of the kitchen.here are hundreds of species of truffles that are big, but the fruiting body of some (mostly in the genus 'Tuber') are highly prized as a food. The 18th-century French gastronome Brillat-Savarin called these truffles the diamond of the kitchen.
The black truffle or Tuber Melanosporum, also known as the Perigord truffle, grows mainly in France and Italy and is the variety most commonly cultivated in a truffle orchard or trufferie. With a unique scent, they our sniffed out by trained pigs and dogs.he ripe truffle, when cut, exhibits a dense black interior that is streaked with white veins. The truffle is firm and resembles the texture of a potato. The outside has a fairly tough, scaly skin that can withstand the conditions in which the truffle grows.