From WoW: IncGamers World of Warcraft Wiki

There are 10 different races available to play on World of Warcraft, 5 races in each faction. To see a detailed description of each race, click on the race name, but a brief description can be seen for each race below:

Alliance

The races of the Alliance are:

Humans

If you chose a Human character, you can play one of these classes:

• Mage
• Paladin
• Priest
• Rogue
• Warlock
• Warrior

Racial Benefits

Perception - active
Activate to dramatically increase stealth detection - Lasts 20 sec - 3 min cooldown

The Human Spirit - passive
Increase Spirit by 5%

Diplomacy - passive
10% bonus to faction point gain

Sword Specialization - passive
Humans get +5 to Sword and Two-Handed Sword Expertise

Mace Specialization - passive
Humans get +5 to Maces and Two-Handed Maces Expertise

Dwarves

If you chose a Dwarf character, you can play one of these classes:

• Hunter
• Paladin
• Priest
• Rogue
• Warrior

Racial Benefits

Stoneform - active
While active, grants immunity to Bleed, Poison, and Disease effects. In addition, Armor increases by 10%. Lasts 8 sec. - 3 min cooldown

Gun Specialization - passive
Dwarves get +5 to Gun Skill

Frost Resistance - passive
All Dwarves get +10 Frost Resistance

Treasure Finding - passive
Activate to see treasure chests on mini map - lasts until canceled - no cooldown