Things that only come in groups of fives?

1. Fingers on a human hand.

2. Toes on a human foot.

3. Vowels in the English alphabet.

4. Great Lakes in North America.

5. Rings in the Olympic symbol.

6. Petals on a five-petaled flower.

7. Points on a star.

8. Sides of a pentagon.

9. Chromatic musical notes.

10. Members of a basketball team.