What is the endoscopy (camera down the throat) procedure like? March 24, 2010. An upper gastrointestinal endoscopy is a medical procedure that is known to be a very beneficial when it comes to diagnosing a number of conditions that affect the throat. The procedure involves the use of a light flexible tube called the endoscope.
Aerobic respiration, a process that uses oxygen, and anaerobic respiration, a process that doesn't use oxygen, are two forms of cellular respiration.
Comstock Images/Stockbyte/Getty Images. Cellular respiration is a process by which cells convert sugars from the environment to energy. The difference between the two types -- aerobic and anaerobic -- is that aerobic respiration relies on oxygen.In aerobic respiration, cells convert glucose and oxygen to carbon dioxide and water.omstock Images/Stockbyte/Getty Images. Cellular respiration is a process by which cells convert sugars from the environment to energy. The difference between the two types -- aerobic and anaerobic -- is that aerobic respiration relies on oxygen.