PHYSIOLOGY KEY BODY SYSTEMS AND
REVIEW NOTES 2026
◉ Sagittal or Median Plane. Answer: divides the body into equal
right and left halves
◉ Transverse Plane. Answer: divides the body into superior and
inferior parts
◉ What does 'anterior' mean in anatomical terms?. Answer: Front or
forward-facing side of the body.
◉ What is an example of an anterior structure in relation to
another?. Answer: The nose is anterior to the ears.
◉ What does 'posterior' refer to in anatomy?. Answer: The back or
rear side of the body.
◉ What side of the body would you see when looking at a person
from behind?. Answer: The posterior side.
◉ Is the spine anterior or posterior to the chest?. Answer: Posterior
,◉ What does 'medial' refer to in anatomy?. Answer: Structures
closer to the midline of the body.
◉ Which body part is medial to the eyes?. Answer: Nose
◉ What does 'lateral' mean in anatomy?. Answer: Structures farther
from the midline of the body or towards the sides of the body.
◉ Are ears lateral or medial to the eyes?. Answer: Lateral
◉ What does the term 'superior' refer to in anatomy?. Answer: A
position above or higher than another part of the body.
◉ Which body part is superior to the mouth?. Answer: The eyes
◉ What does 'inferior' mean in anatomical terms?. Answer: A
position below or lower than another part of the body.
◉ Which body part is inferior to the eyes?. Answer: The mouth
◉ What does proximal mean in relation to the point of attachment of
a limb to the body?. Answer: Proximal means closer.
, ◉ Which is proximal: the shoulder or the elbow?. Answer: The
shoulder is proximal to the elbow.
◉ What does distal mean in relation to the point of attachment of a
limb to the body?. Answer: Distal means farther away.
◉ Are fingers distal or proximal to the wrist?. Answer: Fingers are
distal to the wrist.
◉ What shape is the heart?. Answer: Cone-shaped
◉ Where is the heart located?. Answer: In the mediastinal space
◉ What protects and cushions the heart?. Answer: The pericardial
sac
◉ What is the function of the pericardial sac?. Answer: It encloses
the heart, provides lubrication, and contains pericardial fluid
◉ How much pericardial fluid does the sac contain?. Answer:
Approximately 5-20 mL