Answer:
Osteoblasts
Explanation:
Cells that secrete protein fibres in bones are called osteoblasts.
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Fungi and bacteria are primary decomposers whereas plants and trees are producers and animals are consumers
People's hair are curly because of there genes they get ot from there gray gray Gary grandma or granpas
<span>The significance of chitin in arthropods is Chitin is a structural carbohydrate that forms their exoskeleton. </span>
