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.
It wouldn't have been easy! You might have tried pushing it, or sliding it on an animal skin, or rolling it on logs. Something hadn't been invented yet that would have made moving the boulder much, much easier. That invention was the wheel. Fire might be the most important discovery of all time, but the wheel could be the most important invention.