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