If the entire email fits in the subject, put it in the subject. If you think that's rude, it's not. If you insist that it's rude, put Thanks! in the body. If the email fits in the subject, it takes a click out of processing it, and raises the probability of a reply.
Saliva is a watery substance formed in the mouths of animals, secreted by the salivary glands. Human saliva comprises 98% water, plus electrolytes, mucus, white blood cells, epithelial cells, glycoproteins, enzymes, antimicrobial agents such as secretory IgA and lysozyme. The enzymes found in saliva are essential in beginning the process of digestion of dietary starches and fats. These enzymes also play a role in breaking down food particles entrapped within dental crevices, thus protecting teet
Digestive enzymes are the chemical catalysts that break down food into simpler nutrients so that it can be absorbed. These enzymes make up a crucial part of the digestive process known as chemical digestion and acts along with mechanical digestion (chewing and churning) to allow for maximum absorption.