All the things that we can sense (sights, sounds, smells, temperature, taste, and pressure) have their origins in the nervous system?

All the things that we can sense have their origins in the PERIPHERAL NERVOUS SYSTEM.
The peripheral nervous system is made up of all the nerves that are located outside the spinal cord. These nerves transport information to and from the central nervous system. The sensory cells are involved in carrying information from the peripheral nervous system to the central nervous system. The sensory cells include the cells that are responsible for sight, sound, smell, taste and pressure.

Orbit is represented by the blank space

Your answer is water because there is combined mass of water found on, under, and over the surface of a planet. your answer is water.