Yes! Many are aware of that cockroach would be survived in nuclear bombs and their skin and blood oppose the radiations effect. Yardley, it is withstand 90000 Rems to 100000 Rems. In normal human can receives 8 Rems without any cautions if it is increased near 800 rems human will not sustain a effect and harmful. Cock roach have three types of cells. Distinguishable on the basis of the structure can classified as follows one type of cells contain numerous membrane limited opaque which may be lysomes. A second type contains abundant digestive vaculous and appears phagocyclic and finally third type frequently encountered a rewlymolted unmanned