Your physical body and your mental capabilities are tied together. They can be segregated for medical and psychological purposes, but they work together as a unit. Despite the myriad “brains in vats” science fiction stories proposing the idea, you simply cannot have one without the other.
As you read this, photons enter your eye, stimulating the rods and cones and sending electrical impulses to your brain. Then what happens? Whenever you see, hear, taste, or even touch something, it’s ultimately a mental act.