Not quite. The unconscious management of the internal systems that keep us alive are as much a part of that physical experience, as our motor-sensory apparatus. In fact, some neurologists suggest that these unconscious urges are the most likely governors of 'conscious' action. That's a gross oversimplification... Dr Antonio Domasio explores the idea in fine detail in his books. Particularly 'The Self Comes to Mind'.

Absolutely not. People with disabilities still experience the world. See Helen Keller. Your reasoning would only apply to people with no sense and no way to communicate at all.