BODY MOVEMENTS

1. Modified forelimbs of the bird
3. These give a forward push to the snake
8. Movement of the snake
9. The skull protects this important part
10. They help to get a good grip on the ground
12. The bony box that protects the heart and lungs
13. Several small bones of the wrist
16. The ability of a human being or an animal to move its body from one place to another
17. The body shape that is broad at the center and tapering at the ends
18. They are 206 in number
20. Additional parts of the skeleton that are not as hard as the bones and which can be bent

2. Ball and socket joint is present here
4. Movement is possible due to the contraction and relaxation of these
5. This joint joins the neck to the head
6. Small bones that make up the backbone
7. Joint present in the elbow
11. Framework of bones
12. The body of an earthworm is made up of these that are attached end to end
14. The characteristic feature of the bones of the bird
15. The point where bones meet
19. Outer skeleton of the snail