skull 颅骨, 头盖骨
collarbone 锁骨
rib 肋骨
backbone 脊骨, 脊柱
shoulder joint 肩关节
shoulder blade 肩胛骨
breastbone 胸骨
elbow joint 肘关节
pelvis 骨盆
kneecap 膝盖骨
bone 骨
skeleton 骨骼
Pls click onto Bilingual News for more vocabulary on "skeleton".
(Source: cndict.com)