More about Dolphin Echolocation. Sonar in Dolphins. An exploration of the sonar system of Tursiops truncatus. Dolphin Echolocation. How dolphins use sound by The Cardigan Bay Marine Wildlife Centre. This site includes a recording of dolphin clicks.
I also have shortness of breath hat I have had for about 4 months now coinciding with the back ache starting and digestion changes. ...I have been worried sick I have pancreatic cancer as my symptoms....
Symptoms of pancreatic cancer include: 1  Jaundice (yellowing of the skin and whites of the eyes). 2  Pain in the upper or middle abdomen and back. 3  Unexplained weight loss. 4  Loss of appetite. 5  Fatigue. 6  Depression.