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प्रश्न
Why our backbone is slightly moveable?
उत्तर
In the backbone, vertebrae are joined by gliding points, which allow the body to be bent back, front or side wards.
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संबंधित प्रश्न
Some people in old age complain of stiff joints. What do you think could be a possible reason for it?
Alongside is shown a diagrammatic skeletal of synovial j oint.
(a) What is a synovial joint?
(b) Where do you find such a joint?
(c) What is the function of cartilages?
(d) Name the parts 1 to 5. 2
Draw diagrams.
Types of joints
Answer the following:
What is a ball and socket joint?
The wrist bones are examples of ______ joints.
There are ______ types of movable joints.
Irregular bones are seen in ______.
Inflammation of joints can lead to a disease called ______.
Match the following
| 1. | Ball & socket | a. | Elbow |
| 2. | Saddle | b. | Spine |
| 3. | Hinge | c. | Thumb |
| 4. | Gliding | d. | Hip |
Write the type of joint which is used for the following movement:
A girl moves her head in right and left direction.
