Question: What do you mean by movement?
Answer: The changing position of the body or any part of the body is called movement.
Question: At which part does the arm rotate?
Answer: The arm rotates on the round pit-like structure.
Question: If you tie a scale with your arm, are you able to bend your elbow?
Answer: No, we cannot bend our elbow.
Question: Name the places where two parts of the body are seen to be joined together.
Answer: These places are called joint.
Question: If there are no joints then will it be possible to move?
Answer: No, it is not possible.
Question: Can bones be bent?
Answer: No, bones cannot be bent.
Question: Can we bend our body at every part?
Answer: No, we can bend our body only at joints.
Question: How many types of joints are there?
Answer: There are five types of joints in our body.
Question: Name the various types of joint.
- Ball and socket joints
- Pivotal joints
- Hinge joints
- Fixed joints
- Gliding joints
Question: What is cavity in bone?
Answer: The hollow space in the bone is called cavity.