1. 肌肉   kidney   brain   gums   muscle   Hint Half-n-half Clue   2. 肚腑   spine   liver   intestines   lung   Half-n-half Clue   3. 脊椎   skull   blood   brain   spine   Half-n-half Clue   4. 胶   nerves   heart   gums   liver   Half-n-half Clue   5. 头骨   gums   blood   skull   liver   Half-n-half Clue   6. 静脉   stomach   intestines   veins   kidney   Half-n-half Clue   7. 脑子   heart   veins   spine   brain   Half-n-half Clue