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Hi,

I don't think the question is too specific so therefore I will give you an answer that isn't too specific as well. I think the three main are touch, vision, and proprioception. The third one, which you probably haven't heard is the sensory system’s detection and reception of movement and spatial position of limbs, trunk, and head; you need this in order to move your hand or arms. CNS receives proprioception information from sensory neural pathways that begin in specialized sensory neurons known as proprioceptors. I got the following information from this PowerPoint slide...

If you need more help, can you state the question exactly how it was asked