Question

Define briefly about bones

Answer 1

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⭐BONES⭐

Bones are made up of tissues which are dense and compact and also tissues that are spongy. Compact bone is the hard, protective exterior seen in all bones. Spongy bone is found inside the compact bone and is very porous. Bone tissue is made up of bone cells. Bone cells, along with the minerals stored in the bones, give the bones their strength and a certain amount of flexibility.



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Answer 2

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Skeletal Tissue➫ A specialized contractile tissue found in animals which functions to move an organism's body.

➧Types 0f Skeletal Tissue are:-▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃⤵

➊❫ Cartilage:-
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◉ Its nature is film but elastic.

◉ Herversian system is absent.

◉ Blood supply is limited to perichondrium.

◉ Mineral matter is deposited only in calcified cartilage.

◉ Chondrocytes cells occurs in groups of 2 or 4.

❱ It's Functions are:-═══════════════☟

①❭ It support the whole skeleton of body.

②❭ Intervertebral disc of cartilage absorb Shock.

③❭ It also act as a cushion against stress.

④❭ It prevents wear and tear.

❷❫ Bone:-      ▬▬▬▬▬▬▬▬☟

◉ Its nature is firm & brittle.

◉ Haversian system is present.

◉ Blood is supplied to the inner region of the bone.

◉ Mineral matter is deposited in the matrix in the form of carbonate & phosphate of calcium.

◉ 0steocytes secure singly & are arranged in lamellae.

❱ It's Functions are:-═══════════════☟

①❭ It support the framework & protect internal organs.

②❭ It helps in locomotion.

③❭ It provide surface for the attachment of muscles.

④❭ It is the Reservoir of calcium & phosphorus.

_________               Thanks...✊