BIOL 2401 BIOL 2401 HUEY Lab Exam #1
(1-9) Questions and Answers 2026 Latest
Update
midsagittal plane Ans: divides the body into right and left halves
transverse plane Ans: divides the body into upper and lower
sections (superior/cranial and inferior/caudal)
coronal plane Ans: divides the body into front and back sections
anterior "front" and posterior "back"
cranium cavity Ans: brain
vertebral cavity Ans: spinal cord
thoracic cavity Ans: chest cavity
mediastinum Ans: center of chest with heart and major blood
vessels
pleural cavity Ans: surrounds lungs
fluid-filled space between parietal and visceral pleura
pericardial cavity Ans: surrounds heart
fluid-filled space between parietal and visceral pericardium
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, abdominopelvic cavity Ans: separated from thoracic cavity by
diaphragm
abdominal cavity Ans: contains stomach etc
pelvic cavity Ans: contains urinary bladder etc
pericardium Ans: in thoracic cavity
encases the heart
parietal pericardium Ans: forms tough outer sac
"pericardial sac"
visceral pericardium Ans: fused directly to heart surface
"epicardium"
parietal pleura Ans: lines the thoracic cavity
visceral pleura Ans: fused directly to lung surface
visceral peritoneum Ans: fused directly to surface of internal
organs
mesentery Ans: folds of peritoneum
attached to body wall
suspends organs from body wall
parietal peritoneum Ans: lines the abdominopelvic cavity
abdominal quadrants Ans: right hypocondriac, epigastric, left
hypocondriac
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