Pandas are very shy and because of their markings they are difficult to see in the forest. There is only one sub-species of panda, and it is found only in China. The black and white bear is considered endangered. There are only about 1000 giant pandas left in the wild.
The trigeminal nerve (the fifth cranial nerve, or simply CN V) is a nerve responsible for sensation in the face and motor functions such as biting and chewing.he sensory function of the trigeminal nerve is to provide tactile, proprioceptive, and nociceptive afference to the face and mouth. Its motor function activates the muscles of mastication, the tensor tympani, tensor veli palatini, mylohyoid and the anterior belly of the digastric.
The trigeminal nerve provides sensation to the face and a large part of the scalp and has 3 divisions: ophthalmic, maxillary, and mandibular. The nuclei reside in ventral pons of the brainstem. A portion of nerve fibers descend from the brainstem and reach the upper cervical portion of the spine, which involves mostly pain and thermal sensation.