We just learned about the Metacarpal bones in the hand.
The first bones in your fingers closest to the main part of your hand are called the proximal phalanges.
![proximal phalanges](https://upload.wikimedia.org/wikipedia/commons/thumb/a/ab/Scheme_human_hand_bones-en.svg/500px-Scheme_human_hand_bones-en.svg.png)
(from: wikipedia - proximal phalanges)
There are five of them numbered one through five, starting with your thumb bone and going toward your pinky.