Justify by giving two points that cartilage is a tissue. What is its matrix made of ? Where are these tissues found in our body ? Write its two functions.
CBSE Class IX Science LA (5 Marks)
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Cartilage is a tissue as :
(a) It has widely spaced cells.
(b) All cells are similar in structure.
The matrix of cartilage have a delicate network of collagen fibres and living cells called chondrocytes.
Cartilage is located in ear pinna, nose tip, epiglottis, intervertebral discs, end of long bones, rings of trachea etc.
Functions :
(i) It provides support and flexibility.
(ii) It smoothens surface at joints.
(a) It has widely spaced cells.
(b) All cells are similar in structure.
The matrix of cartilage have a delicate network of collagen fibres and living cells called chondrocytes.
Cartilage is located in ear pinna, nose tip, epiglottis, intervertebral discs, end of long bones, rings of trachea etc.
Functions :
(i) It provides support and flexibility.
(ii) It smoothens surface at joints.
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