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Locomotion and Movement

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
How do the joints help in movement? Explain.

Joints are the point of contact between bones or between bones and cartilages.

Role of joints in movement :

1. Movement takes place along the joints which act as fulcrum of the lever.

2. They help in locomotion and many other movements.

3. They help to connect a bone to a bone allowing movemnt.  

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Which pairs are called false ribs?

8th, 9th and 10th pairs of ribs are called as false ribs or vertebrondral ribs.
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What is the rib cage made of ?

The thoracic vertebrae, ribs and sternum together form the rib cage. 
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What is gout ?

Gout is the inflammation of joints due to accumulation of uric acid crystals. 
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how many pairs of floating ribs are present in humns?

2
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Total number of pair of ribs?

12
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