In this electron micrograph, many adjacent mitochondria are visible within the muscle cell. Itâs no coincidence that they are located close to one another â they do that in order to share glucose, amino acids and fatty acids in order to distribute the production of ATP across a coordinately linked network.
Swallowing involves roughly 50 muscles and many nerves, to move food and drink from the mouth into the stomach. Swallowing disorders, also called dysphagia, occur when nerve control or structures involved in the process are disrupted or not functioning properly. Many conditions can cause swallowing problems, among them: 1  Head, neck or chest injury. 2  Cancer of the head, neck, or food tube (esophagus) , or treatment of these cancers.
Back to Top Considerations. Swallowing is a complex act that involves the mouth, throat area, and esophagus (the tube that moves food to the stomach). Many nerves and muscles control how these body parts work. Part of swallowing is voluntary, which means you are aware of controlling the action.However, much of swallowing is involuntary.ack to Top Considerations. Swallowing is a complex act that involves the mouth, throat area, and esophagus (the tube that moves food to the stomach). Many nerves and muscles control how these body parts work. Part of swallowing is voluntary, which means you are aware of controlling the action.