Chest: The area of the body located between the neck and the abdomen. The chest contains the lungs, the heart, and part of the aorta. The walls of the chest are supported by the dorsal vertebrae, the ribs, and the sternum. Also known as thorax. QUESTION What percentage of the human body is water? See Answer From Healthy Resources Good and Bad Foods for PsoriasisBest Foods for Inflammation and PSADiet Tips to Help Boost Heart Health Featured Centers Good and Bad Foods for PsoriasisVideo: Getting Personal on Life With MS Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19