1. There are 7 days in a week.
2. There are 7 colors in a rainbow.
3. The average human has 7 main energy centers/chakras.
4. There are 7 notes in a musical scale.
5. The 7 Wonders of the Ancient World.
6. There are 7 continents on the planet.
7. In many cultures, 7 is a sacred number.
8. There are 7 main classes of nutrients.
9. In many world religions, the number 7 is a mystical or holy number.
10. There are 7 primary types of intelligence.