The 1665â66 epidemic was on a far smaller scale than the earlier Black Death pandemic; it was remembered afterwards as the great plague mainly because it was the last widespread outbreak of bubonic plague in England during the 400-year timespan of the Second Pandemic.
Proteins can also be very important in communication in the body â insulin, for example, is a protein. In fact, if you take away the water, 75% of our bodies are protein. All of these proteins require the right amino acids found in our bodies and our diets to be made. Can't make amino acids.
Amino Acids. The human body uses amino acids to build proteins, which are used to control the processes that take place in cells. Proteins also accelerate chemical reactions in the body, making them necessary for survival. Although the body uses 20 amino acids, it only produces some of them on its own. You must get 10 of them â called essential amino acids â from food. The essential amino acids are isoleucine, methionine, histidine, phenylalanine, lysine, leucine, tryptophan, threonine, arginine and valine.