Which directional terms can be used to specific the relationships between:
a. The elbow is distal to the shoulder.
b. The left and right shoulders are contralateral.
c. The sternum is medial to the humerus.
d. The heart is superior to the diaphragm.
e. The knee is proximal to the tibia.
f. The liver is superior to the gallbladders.
g. The spleen and liver are contralateral.
h. The kidneys are posterior to the small intestines.
i. The 3rd digit is lateral to the 5th digit.
j. The sternum is anterior to the thymus glands.