To find out all kinds of bones we can notice that we often chicken bone consumption in daily life . If you observe carefully , the bone is not completely solid . In the middle there is a cavity that contains bone marrow . In a large bone size , for example a cow leg bone or bone leg of lamb , you can observe this very clearly . So that you may more clearly , consider the following picture of human bone structure .
Are the bones in our body is growing or alive ? Of course there are bones in our bodies grow . The proof , once when you were a kid , your bones are small . However , now after reaching teens your age , your bones grow longer and larger . In addition , you are also getting bigger . How do bones grow ? Bone can grow and elongate , as at the ends of the bones to the formation of new bone cells . At the same time, the bone grows too wide and thickened . Thus the growing bone lengthening and widening simultaneously. At the moment there is a process of bone growth , bone occurs in the middle of the destruction of bone cells , forming a cavity that is subsequently filled with bone marrow or also called yellow marrow .
Bone in humans distinguished by the type and shape . Here's the description so that you may more clearly .
1 . Types of Bone
In general, the bone can be divided into hard bone and cartilage also called cartilage . Can you give an example of hard bone and cartilage ? Both types of bone is different in terms of their constituent materials . The hard bone is composed of a mixture of calcium and collagen , whereas cartilage is composed of cells to the cartilage that are supple and pliable . Examples of hard bone , the skull bones , hand bones and foot bones . Examples of nasal cartilage and bone is bone ear . You try to think about what would happen if your feet are composed of cartilage , while your ears are composed of hard bone .
Various bone
2 . Bone shape
The bones that make up our bodies are very numerous . Based on the shape , the bones of our bodies can be divided into four types , namely pipe bones , short bones , flat bones , and irregular bones .
a. Pipe bone
This bone has a shape as the name implies , shaped pipe . This bone has an elongated shape and middle perforated . Examples are the femur , fibula , and humerus .
b . Short bones
Short bones have a form in accordance with the short form of his name . The bones are light and strong . Although this short bone , bone is able to withstand a heavy load . Examples are the bones of the wrist , palms , and soles of the feet .
c . Flat bones
This bone has a flat plate-like shape . Examples of flat bones are the bones making up the skull , ribs , and sternum .
d . Irregular bone
This type of bone is a combination of various forms of bone . Examples are facial bones and bones found in the joints of the spine . Can you indicate where bone pipes , short bones , flat bones , and irregular bones in our body ? If there is a school in human skeletal models , you can try to find the bone forms .
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