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Why are long bones slightly bent and not...

Why are long bones slightly bent and not straight?

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CHETANA PUBLICATION-LOCOMOTION AND THEIR MOVEMENTS-EXERCISE
  1. Why are long bones slightly bent and not straight?

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  2. The structural and functional unit of striated muscle fibres is…………. .

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  3. A person slips from the staircase and breaks his ankle bone. Which bon...

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  4. Muscle fatigue is due to accumulation of ………….

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  5. Swelling of sprained foot is reduced by soaking in hot water containin...

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  6. Role of calcium in muscle contraction is ……….

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  7. Hyper-secretion of parathormone can cause which of the following disor...

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  8. Locomotion in sperms takes place with the help of ………. .

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  9. Bones act as…………..during locomotion.

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  10. Sutures on the skull are………..joints.

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  11. Intervertebral disc consists of …… .

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  12. Slightly movable joints are also known as ………. .

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  13. Synovial fluid is present in …….. .

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  14. Two articulating bones are connected by …… .

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  15. Elbow joints are ………..joint.

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  16. Human body consists of about ……..different types of muscles.

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  17. Muscles attach to the bones with the help of ... .

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  18. Actin binding sites are located on ……… .

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  19. Coccygeal bone is formed by the fusion of……. bones in man.

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  20. Chemical ions responsible for muscle contraction are

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  21. The joint of radio-ulna with the upper arm is…….. .

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