It is very important that the nervous system interacts with the skin. There are nerves in the skin, so you can feel.
If there were no nerves in your skin you would not be able to feel anything. you need your nerves also so if you hurt yourself you need our nerves to pull your skin away so your body does not get badly injured.
Nerves also tell the smooth muscle in your skin to contract. When your hair stands on end because you're cold or frightened, it's because your smooth muscle in the skin has recieved a message from the brain to contract, allowing your hairs to stand on end. For more about the digestive system go to nervous system.
It is very important that the nervous system interacts with the skin. There are nerves in the skin, so you can feel.
If there were no nerves in your skin you would not be able to feel anything. you need your nerves also so if you hurt yourself you need our nerves to pull your skin away so your body does not get badly injured.
Nerves also tell the smooth muscle in your skin to contract. When your hair stands on end because you're cold or frightened, it's because your smooth muscle in the skin has recieved a message from the brain to contract, allowing your hairs to stand on end. For more about the digestive system go to nervous system.