A&P I Body Cavities
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dorsal body cavity
protects the fragile nervous system organs
The dorsal body cavity contains...
- cranial cavity
- vertebral/spinal cavity
the skull encases the brain
runs within the bony vertebral column; encloses the delicate spinal cord
ventral body cavity
- the more anterior and larger of the closed body cavities
- houses internal organs collectively called the viscera or visceral organs
ventral body cavity contains...
- thoracic cavity
- abdominopelvic cavity
surrounded by the ribs and muscles of the chest
the thoracic cavity contains...
- pleural cavities
each envelops a lung
contains the pericardial cavity and surrounds the remaining thoracic organs (esophagus, trachea…)
the mediastinum contains...
encloses the heart
contains the stomach, intestines, liver, spleen, and others
lies in the bony pelvis and contains the urinary bladder, some reproductive organs, and the rectum
- mouth; continuous with digestive
- contains teeth and tongue
located within the posterior to the nose; part of the respiratory system passageways
in the skull, house the eyes and present them in an anterior position
middle ear cavities
lie just medial to the eardrums
joint cavities; enclosed within fibrous capsules that surround freely movable joints of the body (elbow, knee)
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