1. 骨头   intestines   bone   lung   liver   Hint Half-n-half Clue   2. 神经   intestines   stomach   nerves   bone   Half-n-half Clue   3. 静脉   kidney   throat   veins   bone   Half-n-half Clue   4. 肾脏   skull   kidney   brain   veins   Half-n-half Clue   5. 血液   stomach   blood   throat   brain   Half-n-half Clue   6. 肺   lung   brain   spine   skull   Half-n-half Clue   7. 脑子   blood   brain   liver   nerves   Half-n-half Clue