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.
If you look a little closer, you'll see nostrils just under the shark's snout, holes that lead to an advanced inner ear system and eyes that sometimes appear to glow in the dark. In this article, we'll take a look at how the senses of smell, hearing and sight work for sharks. Go on to the next page to see if there's any truth to the story about sharks being able to smell a drop of blood from a mile away. Â­Â­. 1. 2. 3. 4.