Question

Write the harmful effects.

Radioactive substances 

Answer 1

1. The central nervous system is affected by radioactive radiations.
2. Hereditary defects are generated by bombardment of radiation on D.N.A in the body.
3. Radioactive radiation can penetrate the skin, and causes diseases like skin cancer, leukemia.
4. The radiative pollutants created due to explosions enter the body through air and it is difficult to control them.
5. The radioactive pollutants released in the sea enter the bodies of fishes and through them enter the human body.
6. The radioactive paint on the watch can cause cancer.
7. The radioactive isotopes strontium-90 can enter the body through plants, fruits, flowers, cereals, milk, etc. and cause diseases like bone cancer, leukemia.