6.3 Proper Handling of Radioactive Substances

6.3.1 Effects of Radioactive Radiation on Living Things
1. Radioactive substances are highly hazardous.
2. The energy in radiation can destroy molecules in living tissues and kill cells.
3. The effects of radioactive radiation on living things depend on the total amount of radiation received.
4. Diagram below shows effects of exposure to radioactive radiation over different period of time: