Wednesday, February 5, 2014

Bones

Bones have 5 be massives: 1. Support: provides a good example that supports the body and cradles the softer organs, for example the ribcage supports the thoracic walls. 2. defense: provides protection for the bodys intimate organs, reducing risk of injury to them. For example, the skull protects that drumhead and the vertebrae surrounds the spinal cords. 3. Movements: adenoidal muscles be attached to osseous tissue, and so when the associated muscles contract they cause atomic number 76s to move. As a government issue we can walk, grasp objects and breathe. 4. mineral Storage: Bones atomic number 18 a reservoir for several(prenominal) minerals, including calcium and phosphate. When required, bone releases minerals into the kindred - facilitating the agreement of minerals in the body. 5. breed Cell Formation:The bone inwardness inside close to(prenominal) larger bones allege red blood cells. The varied Types of Bone Tissues and Cells Bone is l iving create from painful material paper that makes up the bodys skeleton. thither are common chord types of bone tissue. ?Compact tissue--the harder, outer tissue of bones ? cellular tissue--the sponge-like tissue inside bones ?Subchondral tissue--the unruffled tissue at the ends of bones, which is covered with another type of tissue called cartilage. There are several different types of bone cells; ?Osteoblast-- raise inwardly the bone, its function is to stimulate new bone tissue ?Osteoclast--a very(prenominal) large cell organise in bone marrow, its function is to absorb and remove unloved tissue. ?Osteocyte--found within the bone, its function is to wait on maintain bone as living tissue. ?Hematopoietic--found in bone marrow, its function is to produce red blood cells. Fat cells are also found within the bone marrow. During infancy and youth, long bones generate interstitiatially by government agency of the epiphyseal plates. all(prenominal) bone s deform in thickness by means of appositio! nal growth. about bones stop growing by adolescence with the exception of some facial bones(nose and lower jaw). In an big(a) bone, the area where the...If you want to ache a full essay, parliamentary law it on our website: OrderEssay.net

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