Your weakness has become a strength. Your base armor class is 15 + modifiers, and you have +5 to dexterity saving throws.

You are made of bones and are very fragile. You have a vulnerability to bludgeoning, piercing, and slashing damage, and your constitution score is decreased by 5

Your inherent magic ability grants you access to the eldritch blast cantrip. When you reach 3rd level, you can cast misty step once per long rest with this trait. When you reach 9th level, you can cast telekinesis once per long rest with this trait.

Your dexterity score increases by 2

 Your ability scores each increase by 1.

Humans reach adulthood in their late teens and live less than a century.

 Humans tend toward no particular alignment. The best and the worst are found among them.

Humans vary widely in height and build, from barely 5 feet to well over 6 feet tall. Regardless of your position in that range, your size is Medium.

Your base walking speed is 30 feet.

You can speak, read, and write Common and one extra language of your choice. Humans typically learn the languages of other peoples they deal with, including obscure dialects. They are fond of sprinkling their speech with words borrowed from other tongues: Orc curses, Elvish musical expressions, Dwarvish military phrases, and so on.