Domain is the most inclusive of the three, genus is the least inclusive
There are two sets of nerves in your skin. The first type are somatosensory neurons that send sensory information to your central nervous syste. The second set consists of autonomic fibers that control smooth muscle in the skin and the blood vessels in the skin.
I believe the answer is Integumentary, Hope this helps ")
Plants get their energy from the Sun. animals would then eat the plants and get energy from the plants.