The mouth is superior to the nose.
The stomach is inferior to the diaphragm.
The trachea is anterior to the spinal cord.
The larynx is posterior to the esophagus.
The heart is medial to the lungs.
The kidneys are inferior to the lungs.
The hand is proximal to the elbow.
The knee is proximal to the ankle.
Blood in deep blood vessels gives color to the skin.
A peripheral nerve passes from the spinal cord into the limbs.