👉 Unvisceral, also known as a "non-visceral" or "involuntary" organ in anatomy, refers to any body part that does not have a functional nervous system. This can include organs such as the heart, lungs, and digestive tract, which are not connected to the spinal cord or other major nerves, allowing them to function without a central nervous system. In medical terms, unvisceral organs are classified as "involuntary" due to their inability to