BIOS-251 EXAM 1 REVIEW LATEST 2026 UPDATED QUESTIONS
AND VERIFIED 100% SOLUTIONS (2026/2027) |A+ GRADED
|GUARANTEED PASS
Cavity that contains the brain - Answers -Cranial Cavity
Cavity that contains the spinal cord and nerves - Answers -Vertebral Canal
Contains the heart and lungs - Answers -Thoracic Cavity (aka. Chest Cavity)
Space that contains just the lungs - Answers -Pleural Cavity
Space that contains just the heart - Answers -Pericardial Cavity
Houses the lungs, heart, thymus, esophagus, trachea, and several large blood vessels - Answers
-Mediastinum
Contains both the abdominal and pelvic cavities - Answers -Abdominopelvic Cavity
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, Contains the stomach, spleen, liver, gallbladder, small intestine and most of the large intestine -
Answers -Abdominal cavity
The space formed by the hip bones and contains primarily the organs of the reproductive and
excretory systems.
Ex. urinary bladder, portions of large intestine, and internal organs of reproduction - Answers -
Pelvic Cavity
Membrane that secretes mucus that lubricates the surface of organs and keeps them moist. -
Answers -Mucous Membrane
Thin, double-layered membrane that covers the viscera in the cavities and reduces friction -
Answers -Serous Membrane (Visceral and Parietal)
Covers external surface of organs within the cavity - Answers -Visceral Layer
Lines a cavity or body wall - Answers -Parietal Layer
Double-layered membrane surrounding the abdominal organs - Answers -Peritoneum
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AND VERIFIED 100% SOLUTIONS (2026/2027) |A+ GRADED
|GUARANTEED PASS
Cavity that contains the brain - Answers -Cranial Cavity
Cavity that contains the spinal cord and nerves - Answers -Vertebral Canal
Contains the heart and lungs - Answers -Thoracic Cavity (aka. Chest Cavity)
Space that contains just the lungs - Answers -Pleural Cavity
Space that contains just the heart - Answers -Pericardial Cavity
Houses the lungs, heart, thymus, esophagus, trachea, and several large blood vessels - Answers
-Mediastinum
Contains both the abdominal and pelvic cavities - Answers -Abdominopelvic Cavity
1|Page
, Contains the stomach, spleen, liver, gallbladder, small intestine and most of the large intestine -
Answers -Abdominal cavity
The space formed by the hip bones and contains primarily the organs of the reproductive and
excretory systems.
Ex. urinary bladder, portions of large intestine, and internal organs of reproduction - Answers -
Pelvic Cavity
Membrane that secretes mucus that lubricates the surface of organs and keeps them moist. -
Answers -Mucous Membrane
Thin, double-layered membrane that covers the viscera in the cavities and reduces friction -
Answers -Serous Membrane (Visceral and Parietal)
Covers external surface of organs within the cavity - Answers -Visceral Layer
Lines a cavity or body wall - Answers -Parietal Layer
Double-layered membrane surrounding the abdominal organs - Answers -Peritoneum
2|Page
