The senses alone will not provide us with experience,
One may have eyes, but can not see,Blind.
So the 'act of seeing' is a separate function.
Same with the other senses.
Therefore, Indian Philosophy ascribes these actual acts, as additional Instruments for Direct experience.
These are called Karmendriyas (That perform' the action of'seeing' etc)
1.pāyu - the excretory organ.
Is the organ of excretion. Associated with the mooladhara chakra and the earth element.
2.upastha - the sexual organs
This is the generative organ.
3.pāda - the locomotion organ
Legs are the locomotory organs.
4.pāni - the organ of apprehension
Hands are the most complex organ of action as they can express,feel and touch.
5.vāk - the speech organ
With these we experience.
