How many bones are there in an adult human body?, 205, 201, 206, 222, The rib cage surrounds the heart and lungs. What would be the most likely effect if the ribs were absent?, Difficulty in digestion, Poor blood circulation, Difficulty in walking, Increase risk of injury to internal organs, A worm can coil itself into a round shape. Why can not we do it?, No because of the size of the human body, No because of the rigid bony structure, No because of the muscles in our body, All of them, Skeleton system helps in the movement of body parts., True, False, None of these, All of these, We can not feel our bones., True, False, in some parts, All of the above

Skeleton system

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？