Answer the following questions :
1. Name the different types of joints in our body.
Ans: The different type of joints in our body are :
i) Ball and Socket Joints iii) Hinge Joint
ii) Pivotal Joint iv) Fixed Joint
2. Draw a neat figure of the skeleton.
Ans :
3. What are cartilages.
Ans: There are some additional parts of the skeleton that are not as hard as the bones and which can be bent. These are called cartilage.
4. What is the human skeleton.
Ans: All the bones in our body form a frame work to give a shape to our body. This frame work is called skeleton.
5. What is ribcage.
Ans: The chest bone and the backbone join together to form a box. This is called ribcage.
6. What is stream lined.
Ans: The head and tail of the fish are smaller than the middle portion of the body. The body tapes at both ends. This body shape is called stream lined.