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....
1 Pancreatic cancer is highly lethal because it grows and spreads rapidly and often is diagnosed in its late stages. 2  Pancreatic cancer is difficult to diagnose, and the diagnosis is often made late in the course of the disease. 3  Symptoms and signs of pancreatic cancer in its late stage include weight loss and back pain.