Loose Connective Tissue. 1  Collagenous Fibers. 2  Collagenous fibers are made of collagen and consist of bundles of fibrils that are coils of collagen molecules. 3  Elastic Fibers. 4  Elastic fibers are made of the protein elastin and are stretchable. 5  Reticular Fibers. 6  Reticular fibers join connective tissues to other tissues.
The first Radio was invented in 1901, when the Italian Guglielmo Macroni sent the first radio transaction. The technology was the most important means of communication in the old days particularly during the World War era.Had radio not been invented, then, life as we know it wouldnât even exist.
Here are the 5 most important inventions of all time which have truly made their own marks in history. The name of the inventor should surely ring a bell. Alexander Graham Bell thought of how to communicate even from afar by converting the human voice into electric signals.