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Smiling is an action produce by more than one muscle but the nerve that allows you to do that is the facial nerve (7th cranial nerve). Facial nerve has 5 branches and the action of all 5 allows you to smile nicely. The temporal branch allow you to wrinkle your forehead, the zygomatic branch allows you to partially close your eyes, the buccal branch allow you to elevate your chin, and the marginal mandibular allow you to widen your mouth laterally.
What else can I help you with?
What cranial nerve allows you to frown?
Facial nerve
What cranial nerve is used when smelling a flower?
The Olfactory nerve. CN1 Cranial Nerve I, or the first cranial nerve called the Olfactory nerve.
What number cranial nerve is the vagus nerve?
The vagus nerve is the 10th cranial nerve, also known as cranial nerve X.
Smell impulses are carried by the cranial nerve called the?
Smell impulses are carried by the cranial nerve called the olfactory nerve (cranial nerve I). It is responsible for transmitting information about odors from the nose to the brain.
Which one of the following cranial nerves is NOT involved in either taste?
The optic nerve (cranial nerve II) is not involved in taste, as its primary function is vision. Taste is primarily mediated by the facial nerve (cranial nerve VII), glossopharyngeal nerve (cranial nerve IX), and vagus nerve (cranial nerve X).
What is the function of cranial nerves?
cranial nerve I: olfactory:smell cranial nerve II:optic:vision cranial nerve III: oculomotor: 4 of 6 eye muscles cranial nerve IV: trochlear: cranial nerve V: Trigeminal cranial nerve VI: Abducens cranial nerve VII: Facial cranial nerve VIII: Vestibulochlear: hearing cranial nerve IX: Grosspharnxgeal: saliva formation cranial nerve X: Vegus cranial nerve XI: Acessory Spinal: trapizious movement cranial nerve XII: Hypoglosseal: toungue movement
What cranial nerve is responsible for transmitting visual information?
Cranial Nerve 2 - Optic Nerve
What cranial nerve slows the heart?
Nerve X, Vagus
What is the Cranial nerve II called?
The second cranial nerve is the optic nerve.
What is the role of the facial cranial nerve in controlling facial expressions and movements?
The facial cranial nerve, also known as the seventh cranial nerve or the facial nerve, plays a crucial role in controlling facial expressions and movements. It innervates the muscles of the face, allowing us to smile, frown, blink, and make other facial expressions. Damage to this nerve can lead to facial paralysis or weakness on one side of the face.
Cranial nerve for sense of hearing?
The vestibulocochlear cranial nerve controls hearing.
What cranial nerve is involved in Bell's palsy?
The Facial Nerve or Cranial Nerve VII is the nerve involved with Bell's Palsy.
