True: There are 206 bones inside your body., Bones are hard and rigid., The smallest bone is in our ears., Your bones join together at your joints., Your joints help you bend and move your body., Muscles are soft and elastic., The heaviest bone is our femur., Muscles and bones work together to move your body., False: Muscles are hard and rigid., Bones can bend and move., The heaviest bone is our spine., You don't have muscles in your face.,

排行榜

视觉风格

选项

切换模板

恢复自动保存: