A Word To Represent The 5 Senses
Solution 1:
Have you considered senses?
any of the faculties, as sight, hearing, smell, taste, or touch, by which humans and animals perceive stimuli originating from outside or inside the body.
It may be obvious, but I think it fits your needs nicely.
Solution 2:
Sensorium might be the word you want.
Definition of SENSORIUM
: the parts of the brain or the mind concerned with the reception and interpretation of sensory stimuli; broadly : the entire sensory apparatus
http://www.merriam-webster.com/dictionary/sensorium