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9th Class Science Sample Paper Sample Paper - 1 Term - 1

  • question_answer
    Which tissue smoothens the bone surface at joints. State its structure and function with the help of diagram.  

    Answer:

        Cartilage smoothens bone at joints surfaces. It is a specialised connective tissue, which is compact and less vascular having an extensive matrix of delicate network of collagen fibres. It provide flexibility and support to body parts and smoothens bone surfaces at joints. It is present in nose, ear, trachea, larynx etc.                                                      (2)                                                                                                                                                           (1)  


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