The most common symptoms of mono are a high fever, a severe sore throat, swollen lymph nodes (sometimes called swollen glands) and tonsils, and weakness and fatigue. Symptoms usually start 4 to 6 weeks after you are exposed to the virus. Mono can cause the spleen to swell.
The death roll performs a number of functions for the Saltwater Crocodile. When it grabs very large prey the crocodile has to drag it into the water and drown it so the crocodile will use it's advantage in the water and it's own body weight to roll over and over again to drown it's prey.
For other uses, see Crocodile (disambiguation). Crocodiles (subfamily Crocodylinae) or true crocodiles are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia. Crocodylinae, all of whose members are considered true crocodiles, is classified as a biological subfamily. A broader sense of the term crocodile, Crocodylidae that includes Tomistoma, is not used in this article. The term crocodile here applies only to the species within the subfamily of Crocodylinae.