Which directional terms can be used to specific the relationships between:
a. Elbow and shoulder — proximal and distal
b. left and right shoulders — contralateral
c. Sternum and the humerus — medial and lateral
d. Heart and the Diaphragm — superior and inferior
e. Knees and tibia — superior and inferior or proximal and distal
f. Liver and gallbladders — superior and inferior or ipsilateral
g. Spleen and liver — contralateral
h. Kidneys and small intestines — anterior and posterior
i. 3rd and 5th digits — medial and lateral
j. Sternum and thymus glands — anterior and posterior