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Questions and Answers
What encloses the spinal cord?
What is located along the dorsal surface of the human body?
Dorsal body cavity
What does the cranial cavity encase?
Brain
What is surrounded by the ribs and muscles of the chest?
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What does the abdominal cavity contain?
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What separates the abdominal cavity from the thoracic cavity?
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What does the pelvic cavity contain?
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What are the two parts of the abdominopelvic cavity?
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What is the function of the pleural cavities?
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What does the mediastinum contain?
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The ventral body cavity is located at the posterior aspect of the human body.
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Study Notes
Dorsal Body Cavity
- Located along the posterior surface of the human body.
- Subdivided into cranial and spinal cavities; they are continuous with one another.
Cranial Cavity
- Encloses and protects the brain.
Vertebral Cavity
- Encloses and protects the spinal cord.
Thoracic Cavity
- Surrounded by ribs and chest muscles.
- Houses the heart and lungs.
Diaphragm
- A muscular structure that separates the thoracic cavity from the abdominopelvic cavity.
Abdominal Cavity
- Contains digestive organs (digestive viscera), including stomach and intestines.
Pelvic Cavity
- Contains the urinary bladder, reproductive organs, and rectum.
Abdominopelvic Cavity
- A combined cavity separated by the diaphragm.
- Superior part: abdominal cavity with digestive organs.
- Inferior part: bony pelvis housing the urinary bladder and reproductive organs.
Ventral Body Cavity
- The larger and anterior of the closed body cavities.
- Comprises the thoracic cavity and also the abdominopelvic cavity.
Viscera
- Refers to the internal organs housed within body cavities.
Pleural Cavities
- Envelop each lung and contain pleural fluid, which reduces friction during breathing movements.
Mediastinum
- The central cavity of the thorax, containing the heart, great vessels, thymus, and parts of the trachea and bronchi.
- Houses the pericardial cavity, which contains the heart.
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Description
Explore the intricacies of the dorsal body cavity with this quiz focused on its anatomical features. Delve into the definitions of the cranial and spinal cavities, and understand their functions. Perfect for students studying human anatomy and physiological structures.
