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.
Giant tortoises move very slowly on dry land, at only 0.17 mph (0.27 km/h). The fastest recorded tortoise speed is 5 mph (8.0 km/h). The tortoise starts digging the ground to form its hybernaculum at the first signs of autumn. It digs with its fore-feet in a very slow motion, and prefers swampy grounds where it could bury itself in mud.