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The vagus nerve carries parasympathetic nerve stimulation to most of the thoracic and abdominal viscera and originates in the?
Huntingp5
medulla oblongata
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∙ 15y ago
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From what areas of the CNS does each division originate?
The parasympathetic originates from the brain and spinal cord. The sympathetic originates from the thoracic and lumbar spinal nerves.
Describe how the nerve impulse travels in the heart?
The brain can influence the heart in two ways. Sympathetic and parasympathetic stimulation. Parasympathetic stimulation of the heart is through the vagus nerve. Sympathetic stimulation of the heart is via cervical and thoracic splanchnic nerves. The heart has its own pacemaker cells, so the brain only changes the rate and contractility of the heart.
The very long cranial nerve that originates from the nuclei in the medulla oblongata and projects preganglionic fibers through the neck to the thoracic and abdominal cavities is the what nerve?
vagus (X)
What is the name of the expanded sac in the abdomen where the thoracic duct originates?
The cysterna chyli is the name of the expanded sac in the abdomen where the thoracic duct originates.
What muscular structure separates the thoracic and abdominopelvic cavity?
The diaphragm separates the abdominal from the thoracic cavity.
How does the size and location of the thoracic and abdominal and pelvic cavities on the rat compare to the thoracic and abdominal & pelvic cavities on the human?
Very much the
What muscle is separating the thoracic cavity from the abdominal cavity?
The thoracic cavity is separated from the abdominal cavity by the diaphragm. This is a broad flat muscle. (muscular) diaphragmThe diaphragm is a muscle that separate the thoracic from the abdominal cavity. The pelvis is the lowest part of the abdominal cavity and it has no physical separation from it Diaphragm
Identify two body cavities found in the fetal pig?
The two largest body cavities are the thoracic and abdominal cavities.
Is the abdominopelvic cavity inferior to the thoracic cavity?
Thoracic cavity indicates your chest , the Abdominal cavity indicates your abdomen INFERIOR means under .Your chest is above your abdomen hence the thoracic cavity is SUPERIOR to the Abdominopelvic cavity.
What are the two major cavities of the body are called?
The Thoracic cavity (above the diaphragm) & the Abdominal cavity (below).
What type of vertebrae are in the abdominal region?
The vertebrae nearest the abdominal region are the thoracic vertebrae.
Are the Abdominal And Pelvic Cavities Are Separated By The Diaphragm?
No. The thoracic and abdominal cavities are separated by the diaphragm.
