10 Home Remedies for Shingles. Once you catch it, the chicken-pox virus never goes away. It continues to secretly lurk in the nerve cells of your body years after you suffer a childhood bout of chicken pox. You may not even remember having had chicken pox if yours was a mild case.
These 10 animal facts will amaze you. The platysma is the muscle that allows us to create and control our facial expressions. It spreads out in a wide sheet that begins at the chest, runs up over the collarbone, and then stretches up along the sides of the neck to the chin. The primary function of the platysma is to help move the lower lip and jaw downward or to the side. The contraction of this muscle is the cause behind a variety of facial expressions, including smiling, frowning, and grimacing. The platysma muscle is also a large contributor to the condition known as the double chin.
The buccinator is located in the wall of the cheek. Its fibers are directed forward from the bones of the jaws to the angles of the mouth, and when they are contract the cheek is compressed inward. The zygomaticus major and minor extend from the zygomatic arch downward to the corner of the mouth. When they contract, the corner of our mouth is drawn upward, like we are smiling or laughing. The platysma is a thin, sheetlike muscle whose fibers extend from the chest upward over the neck to the face. It pulls the angle of our mouth downward, like we are pouting. The nasalis is responsible for moving the nose, while the corrugator supercilii is responsible for moving the eyebrows....