ANATOMY

Detailed explanation-1: -The airway that leads from the larynx (voice box) to the bronchi (large airways that lead to the lungs). Also called trachea.

Detailed explanation-2: -The hollow tube inside the neck that starts behind the nose and ends at the top of the trachea (windpipe) and esophagus (the tube that goes to the stomach). The pharynx is about 5 inches long, depending on body size. Also called throat.

Detailed explanation-3: -The oesophagus (gullet) is part of the digestive system, which is sometimes called the gastro-intestinal tract (GI tract). The oesophagus is a muscular tube. It connects your mouth to your stomach.