1 Pseudocoelomate animals have a pseudocoelom (literally âfalse cavityâ), which is a fully functional body cavity. 2  Tissue derived from mesoderm only partly lines the fluid filled body cavity of these animals.n some protostomes, the embryonic blastocoele persists as a body cavity. These protostomes have a fluid filled main body cavity unlined or partially lined with tissue derived from mesoderm.
POLIO is a highly contagious, life-threatening disease with no cure, and while there are vaccinations to prevent it available, ahead of World Polio Day, the World Health Organisation is now advising countries prepare to give out lower doses to make stocks last. 07:50, Mon, Oct 24, 2016 | UPDATED: 09:56, Mon, Oct 24, 2016. GETTY.
Mental illness itself is not life-threatening. However, up to 15% of people seriously affected by mental illness eventually die by suicide (compared to an approximate figure of 1% for the whole population).Effective, ongoing treatment is essential to minimise the risk of suicide. Nearly half (45%) of the population will experience a mental disorder at some stage in their lives. 2  Almost one in five Australians (20%) will experience a mental illness in a 12-month period. 3  During a one-year period, anxiety disorders will affect 14% of the population and depression will affect 6%.