Late Effects of Polio: The Medical. A. Polio: The Disease. Poliomyelitis (polio) is a viral illness that begins suddenly with flu-like symptoms of fever, headache, vomiting and/or diarrhea, muscle aching and feeling poorly.. The virus enters the body through the stomach and intestines.
Most crocodiles can sprint at a maximum speed of 6 to 7 miles per hour. The fastest crocodile on record was clocked at 11 miles per hour, during a full gallop. By contrast, top human race-walkers reach speeds of 8 miles per hour without breaking into a full run. Continue Reading.
When on land, the Australian freshwater crocodile can âgallopâ up to 11 miles per hour (mph). But most crocodiles use a kind of âbelly run,â which can move them seven to 10 mph. And even if its prey stays out of the water, crocodiles can suddenly leap from the depths at speeds up to 30 mph, snatch an animal with its jaws and drag it under water! Theyâve got plenty of big, sharp teeth as well.