| A | B |
|---|
| skeletal system | 骨骼系统bones that give us shape and support |
| organ | 器官 another name for stomach, heart, ... |
| calcium | 钙 It makes our bones strong. |
| shape | 形状 How a thing looks, like round or flat.. |
| support | 支撑 hold up; make something stand |
| cartilage | 软骨 soft thing between joints |
| tissue | 组织 a group of similar cells |
| cushion | 软垫 a soft bag |
| bone marrow | 骨髓 It makes blood cells. |
| diet | food and drink |
| skull | head bone |
| ribs | 肋骨 Bones in the chese to protect lungs |
| joint | 关节 where 2 bones meet |
| protect | 保护 make safe |
| pivot | 转动 to turn |
| fracture | 骨折 break |
| spongy bones | 海绵状结构骨骼 have many small air holes |
| compact bones | make the bone strong |
| heal | 痊愈 get well |
| knee | a joint on your leg |
| wrist | a joint between your hand and small arm |
| shoulder | a joint between the arm and neck |
| hip | 臀部 it's on top of your thighs |
| neck | between your head and shoulder |
