The human body should have a particular weight for a particular height i.e: the height and weight ratio must be in a specified proportion to each other. If the height and weight are in proper ratios to each other, then the bodily functions take place smoothly.
Parol refers to verbal expressions or words. Verbal evidence, such as the testimony of a witness at trial. In the context of contracts, deeds, wills, or other writings, parol evidence refers to extraneous evidence such as an oral agreement (a parol contract), or even a written agreement, that is not included in the relevant written document.
What is parsimony? The parsimony principle is basic to all science and tells us to choose the simplest scientific explanation that fits the evidence. In terms of tree-building, that means that, all other things being equal, the best hypothesis is the one that requires the fewest evolutionary changes.