Sometimes. Human beings are generally uniformly equipped with a head, two arms, a torso, legs etc. So when it comes down to a physical fight there is a natural limit to what you can and can't do physically.
As with all martial arts worldwide, you have to decide on what it is that you want! What do you want to practice and why? Once you know that it is you can search for a good fightschool (The European term for dojo) that fits your needs. In the end the right fightschool with a kind teacher makes all the difference.