1 Angina Pectoris: It is described as a pain located at the back of the breast bone which may be sharp or dull. This sensation may radiate or crawl to the hand, arm, left shoulder, or jaw.  Vasculitis: When the small to medium sized arteries are inflamed, head tingling and numbness may result.
Most species of shark eat things like fish, crustaceans, mollusks, plankton, krill, marine mammals and other sharks. Sharks also have a very acute sense of smell that allows them to detect blood in the water from miles away.
Sharks' blood gives them turbo speed. Several species of shark and tuna have something special going on inside their bodies. For a long time, scientists have known that some fish species appear warm-blooded. Salmon sharks can elevate their body temperatures by up to 20 degrees compared to the surrounding water, for example.