Vagus Nerve is one such cranial nerve that also happens to be the longest nerves in the body that innervates the throat, thorax, abdominal muscles and other organs and has several functions, which is why it is one of the most important parts of our nervous system.he vagus nerve is two nerves that go through the brain stem and enter different parts of the body such as the heart and the stomach. Vagus nerve leaves the brain stem from the rootlets present in the medulla that has been found to be caudal to the rootlets in the ninth carnial nerve.
Simply, consciousness is awareness (of being, perhaps). Intelligence is the manifestation of understanding. As a side note, many noted scientists could be considered retards if they were criticized about thier consciousness. Darwin is a popular example.
1 The brain is an important organ in the human body whereas the mind is not like that.  The brain, which is the centre of the nervous system, coordinates the movements, thoughts and feelings. The mind refers to a personâs understanding of things and also his conscience.