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What is the cranial nerve that releases a chemical that decrease the pulse and the force of a contraction?
vagus nerve
Which cranial nerve control contraction of the circular smooth muscle of the iris?
The parasympathetic fibers of the oculomotor nerve (cranial nerve III) control the contraction of the circular smooth muscle of the iris, causing pupil constriction.
Which cranial nerve is involved when disgesting?
The cranial nerve X (Vagus Nerve) is involved for digestion. It stimulates the stomach and releases gastric juices including water, pepsin and hydrochloric acid which is needed for digestion.
The cranial nerve responsible for chewing is?
Trigeminal V: a mixed nerve responsible for the chewing of food and sensations in the face, scalp, and teeth and the contraction of chewing muscles.
What body cavity contains and protects the brain?
The brain lies within the cranial cavity which is inside the larger dorsal cavity
Where the cranial nerves belong?
Cranial Nerves 1-2 Cranial Nerves 3-4 belong to the midbrain. Cranial Nerves 5-8 belong to the pons. Cranial Nerves 9-12 belong to the hindbrain.
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
How many cranial nerves are?
How many cranial nerves are there
How many cranial nerves does a rat have?
Rats have twelve pairs of cranial nerves.
Which structure is the cranial located?
The cranial is located in the skull, the head of the human body, since the word "cranial" has something to do with the head.
Voluntary movements are under the control of the?
The somatic nervous system controls the skeletal system and voluntary movement by stimulating muscle contraction. Parts of the somatic nervous system are spinal nerves, cranial nerves, association nerves.
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.
