Select options Geometric Children Full Face Helmet RM178.00 Helmets: Are they REALLY that important? The brain is quite possibly the most important part of the body. It controls whether or not we breathe, our heartbeat and how we think, reason, make judgments, see, feel, hear, move and so much more. So, it would make sense to protect something that important, right? The brain of a child is constantly learning, changing and growing. This is why it’s especially important to protect them. A bad hit to the head could result in what’s called a “traumatic brain injury.” A “bad” hit to the head doesn’t have to be a hard one to inflict traumatic damage that can be permanent, so it’s best to avoid hits as much as possible.