Complex sentence: Putrefaction is one stage in the decomposition of the body of a dead animal; it can be described as the decomposition of proteins, which results in the eventual breakdown of cohesion between tissues and liquification of most organs.
Split into simpler sentences: Putrefaction is one stage in the decomposition of the body of a dead animal. It can be viewed, in broad terms, as the decomposition of proteins, in a process that results in the eventual breakdown of cohesion between tissues and the liquification of most organs.