There are 7 different (playable races) with their own appearance and statistics.
Lizard-like race with wings.
Robotic humanoid race.
Generic humanoid race.
Not too humanoid but insect race.
Underwater humanoid race.
Canine humanoid race.
How much damage you can survive.
How long you can run and how good you are with keeping your weapon calm.
Required for hacking, piloting...
Also works as reflexes.
How heavy items you can carry.
How long you can survive in radiation environment.
How long you can hold your breath until you suffocate.
You may not be able to do some things which require more fingers then you have.
This is no racism but fact.