BIO 251 HUMAN ANATOMY AND PHYSIOLOGY I MIDTERM EVALUATION 2026 QUESTIONS WITH ANSWERS GRADED A+

BIO 251 HUMAN ANATOMY AND
PHYSIOLOGY I MIDTERM EVALUATION
2026 QUESTIONS WITH ANSWERS GRADED
A+

●● Sagittal Plane.
Answer: A vertical plane that divides the body into right and left parts. A
sagittal plane that lies directly on the midline is the Median plane, or
Midsagittal Plane. All other sagittal planes are Parasagittal (para=near)
Planes.


●● Frontal Plane.
Answer: A vertical plane that divides the body into Anterior and
Posterior parts. Also called Coronal ("crown") Plane.


●● Transverse Plane.
Answer: Runs horizontally from right to left dividing the body into
Superior and Inferior parts. Also called a Cross section.


●● Oblique Section.
Answer: Cuts made diagonally between horizontal and vertical planes.


●● Cranial Cavity.

, Answer: Part of the Dorsal Cavity that incases the brain.


●● Spinal Cavity (or Vertebral Cavity).
Answer: Encloses the spinal cord. Part of the Dorsal Cavity.


●● Viscera.
Answer: Internal organs


●● Thoracic Cavity.
Answer: Surrounded by the ribs and muscles of the chest, contains the
heart, esophagus, lungs, trachea and bronchi.


●● Pleural Cavities.
Answer: A subdivision of the Thoracic Cavity, each contain a lung and
the mediastinum.


●● Pericardial Cavity.
Answer: Contained in the mediastinum, encloses the heart as well as
surrounding the esophagus, trachea and other thoracic organs.


●● Abdominopelvic Cavity.