how long do bones last?
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By 50 years in, your tissues will have liquefied and disappeared, leaving behind mummified skin and tendons. Eventually these too will disintegrate, and after 80 years in that coffin, your bones will crack as the soft collagen inside them deteriorates, leaving nothing but the brittle mineral frame behind.
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“The rate of decomposition varies greatly due mostly in part to environment. A hot, dry climate could reduce a body to brittle skin and bones in 2 weeks, where a cool, boggy environment could take months,” Melissa N. Unfred, a Texas-based mortician, tells Bustle.
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Every single person has a skeleton made up of many bones. These bones give your body structure, let you move in many ways, protect your internal organs, and more. It's time to look at all your bones — the adult human body has 206 of them!
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So while the average age of all cells in the human body is about 7 years, this is due to some cells being extremely durable and lasting for many years, while other cells are renewed every few days to few weeks.
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Bone is a strong, flexible and semi-rigid supporting tissue. It can withstand compression forces, and yet it can bend. Like cartilage, and other types of connective tissue, bone is made up of Cells and Extracellular matrix: Cells - which in bone are called osteoblasts and osteocytes, (osteo - bone).
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From about age 25 to age 50, bone density tends to stay stable with equal amounts of bone formation and bone breakdown. After age 50, bone breakdown (resorption) outpaces bone formation and bone loss often accelerates, particularly at the time of menopause.
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It takes about six to eight weeks to heal in adults, and less time in children. Doctors refer to all breaks or cracks in bones as fractures. If you think you or your child has broken a bone go to your nearest hospital or medical emergency centre. If the injury is severe, call for an ambulance.
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The time taken for a body to decompose depends on climatic conditions, like temperature and moisture, as well as the accessibility to insects. In summer, a human body in an exposed location can be reduced to bones alone in just nine days.
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But even the best shoe inserts don't last forever. With normal use, you can expect your insoles to last about 6 months, but this varies depending on factors such as intensity of use (i.e., running vs. everyday activities) and foot structure. For serious runners, you may need new insoles every 3-4 months instead.
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It normally takes a minimum of 6 months for the teeth and bone to stabilize. It can sometimes take longer, especially for adults. Therefore, my retainer protocol is to wear a retainer full-time for a minimum of 6 months after braces are removed.
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If you've ever seen a real skeleton or fossil in a museum, you might think that all bones are dead. Although bones in museums are dry, hard, or crumbly, the bones in your body are different. The bones that make up your skeleton are all very much alive, growing and changing all the time like other parts of your body.
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An adult has 206 bones, but a newborn baby has nearly 300 bones in her body. This is because babies have more flexible cartilage (a firm tissue softer than bone) in the body. As the child grows, some of the cartilage hardens and turns to bone, and some bones fuse together.
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It takes at least 6 weeks for the broken bones to heal. It may take longer for the involved ligaments and tendons to heal. As mentioned above, your doctor will most likely monitor the bone healing with repeated x-rays. This is typically done more often during the first 6 weeks if surgery is not chosen.
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When buried six feet down, without a coffin, in ordinary soil, an unembalmed adult normally takes eight to twelve years to decompose to a skeleton. However if placed in a coffin the body can take many years longer, depending on type of wood used.
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It takes at least 3 to 4 months after surgery for bones to heal well, and healing may continue for at least a year. If you had spinal fusion, you will probably be off work for 4 to 6 weeks if you are young and healthy and your job is not very strenuous.
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You only wear braces for 1-2 years. However, permanent retainers stay put for years, sometimes even decades. Some people have even been able to wear their permanent retainers for up to 20 years.
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The long bones, longer than they are wide, include the femur (the longest bone in the body) as well as relatively small bones in the fingers. Long bones function to support the weight of the body and facilitate movement.