Signs and symptoms of the chronic phase of Chagas disease may occur 10 to 20 years after initial infection, or they may never occur. In severe cases, however, Chagas disease signs and symptoms may include: 1  Irregular heartbeat.2  Congestive heart failure. 3  Sudden cardiac arrest.4  Difficulty swallowing due to enlarged esophagus.igns and symptoms of the chronic phase of Chagas disease may occur 10 to 20 years after initial infection, or they may never occur. In severe cases, however, Chagas disease signs and symptoms may include: 1  Irregular heartbeat.
Behind the octopus's head, directly opposite the arms, is its mantle. The mantle is a highly muscled structure that houses all of the animal's organs. Its gills, hearts, digestive system and reproductive glands are all crammed into this one space.
The octopus is a sweet and kind animal. The octopus is NOT a mean or harmful animal. It is one of the nicest animals to people. The octopus protects itself with its legs, but â¦ they do not hurt humans.However, they do bite. It has a hooked jaw like a parrot's beak. There is only one deadly octopus and that is the Tiny Blue Ringed Octopus which lives in Australia. Like a snake it is deadly because of the venom that it produces.he octopus protects itself with its legs, but â¦ they do not hurt humans. However, they do bite. It has a hooked jaw like a parrot's beak. There is only one deadly octopus and that is the Tiny Blue Ringed Octopus which lives in Australia. Like a snake it is deadly because of the venom that it produces.