1. espina dorsal, columna vertebral   blood   spine   nerves   skull   Hint Half-n-half Clue   2. cráneo   spine   lung   veins   skull   Half-n-half Clue   3. pulmón   brain   muscle   lung   nerves   Half-n-half Clue   4. hueso   stomach   nerves   bone   skull   Half-n-half Clue   5. riñón   bone   kidney   spine   stomach   Half-n-half Clue   6. estómago   throat   gums   stomach   veins   Half-n-half Clue   7. garganta   blood   spine   throat   stomach   Half-n-half Clue