carbon carÂ·bon (kÃ¤r'bÉn) n. Symbol C A nonmetallic element occuring in many inorganic and in all organic compounds, existing as graphite and diamond and as a constituent of coal, limestone, and petroleum, and capable of chemical self-bonding to form a number of important molecules.
  The diaphragm is a large muscle just below the lungs. It help us breathe.   The diaphragm is located inferior to the lungs and deep in the thoracic cavity. Diaphragm â¦ is present in upper side of the abdomen and lower side of the chest. You need to see the original diaphragm in the dissected body.That is very beautiful structure to see.8 people found this useful. Ahmadbtm.our diaphragm is located below your lungs. When you relax your muscles, your diaphragm is shaped like a dome.
It is attached to the spine, ribs and sternum and is the main muscle of respiration, playing a very important role in the breathing process. The lungs are enclosed in a kind of cage in which the ribs form the sides and the diaphragm, an upwardly arching sheet of muscle,...Click to read more below.The diaphragm in the respiratory system is the dome-shaped sheet of muscle that separates the chest from the abdomen. It is also referred to the thoracic diaphragm because itâs located in the thoracic cavity, or chest.hen air is drawn into the lungs, the muscles in the diaphragm contract, and pull the central tendon down. This enlarges the chest (thoracic cavity), and air then passes into the lungs to fill the larger space.