AP BIOLOGY

Detailed explanation-1: -Your salivary glands produce saliva (spit) and empty it into your mouth through ducts, or small openings. They lubricate your mouth and throat, aid in swallowing and digestion, and help shield your teeth from cavity-causing bacteria.

Detailed explanation-2: -Saliva secreted by salivary glands aids the mechanical and chemical process of digestion. Saliva is about 99% water and not only moistens food but cleanses the mouth, dissolves food chemicals so they can be tasted, and contains enzymes that start the chemical breakdown of starchy foods.

Detailed explanation-3: -Submandibular and sublingual glands are mixed. In general, acinar (secretory) cells are responsible for the production of the primary saliva. The ductal cells are responsible for further modifications of saliva until it is secreted in the mouth. Saliva is 99% water and 1% protein and salts.

Detailed explanation-4: -saliva, a thick, colourless, opalescent fluid that is constantly present in the mouth of humans and other vertebrates. It is composed of water, mucus, proteins, mineral salts, and amylase. As saliva circulates in the mouth cavity it picks up food debris, bacterial cells, and white blood cells.

Detailed explanation-5: -Saliva, the watery liquid produced by glands located under the tongue, is an essential component of the digestive process. Saliva is 98% water, so it moistens the mouth and helps compact food into softened particles for easier swallowing.