When working with food, personal items such as cell phone should be kept away from where food is stored and prepared.
Liver function decrease and blodd pressure reduced
Answer:
which advertisment or advice?
Explanation:
Several vaccines are made by taking toxins and inactivating them with a chemical (the toxin, once inactivated, is called a toxoid). By inactivating the toxin, it no longer causes disease. The diphtheria, tetanus and pertussis vaccines are made this way.