The chosen valedictorian is often the student with the highest ranking among his/her graduating class. The term is an Anglicised derivation of the Latin vale dicere (to say farewell), historically rooted in the valedictorian's traditional role as the final speaker at the graduation ceremony.
The human body cannot survive without food and water for long periods of time. In fact, according to SurvivalTopics.com, the longest a person can go without water is 10 days--without food, it's four to six weeks.
Longest Survival Without Water. The question of the longest period without food or water is one of the most difficult of scientific questions. Owing to the possibility of dying in the effort to break a record, âGuinness World Recordsâ no longer publishes fasting records at all.