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Locomotion and Movement

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
Explain pelvic girdle. Give its functions.

Pelvic girdle or Hip girdle : It consists of two coxal bones. Each coxal bone is formed by the fusion of three bones – ilium, ischium and pubis. At the point of fusion of the above bones is a cavity called acetabulum to which the thigh bone articulates. The two halves of the pelvic girdle meet ventrally to form the pubic symphysis containing fibrous cartilage.

 Function of pelvic girdle.

1. It provides space for attachment of bones of hind limbs.

2. It provides movement to hind limbs.

3. The muscles of hind limbs are inserted into pelvic girdles.

4. It provides protection to abdominal viscera.

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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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how many pairs of floating ribs are present in humns?

2
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What is gout ?

Gout is the inflammation of joints due to accumulation of uric acid crystals. 
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Total number of pair of ribs?

12
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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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