The assembly life-span of the health is different in size Life-span of the gustatory bud is only 10 days

The assembly life-span of the health is different in size Life-span of the gustatory bud is only 10 days
We little than nature in secret of body itself, can know the intersection of we and oneself keeping fit and treating diseasing kind.
A lot of people are anxious and old and feeble, but few people realize, no matter how long your life-span is, some parts of your body actually have even life-span of a few days only for several weeks. This is because they are upgrading oneself constantly.
-The life-span of the hepatocyte has 5 months only
Because the blood is in liberal supply, the liver resumes oneself and regenerated ability is surprising. This means it can continue to discharge the toxin the external important work. If you wonder why even sometimes the drunkard's liver function will be improved, this is because the life-span that the hepatocyte has about 150 days only. Royal the intersection of liver and old to defend Lloyd, explain surgeon of hospital, Leicester of Britain: "I can excise 70% of patient's liver in an operation, only two months, about 90% of the liver will grow. "
However, the soft tissue cells (the main cells of the liver) of the persons who get drunk May damage gradually, form scar organize, ask, harden even. So, though the healthy liver can be upgraded oneself constantly, and it is eternity to harden and damage, it is even fatal sometimes.
-Life-span of the gustatory bud is only 10 days
Scientific advisor of association, dentist of British, reach, link Mu SiLai Professor, explain tomorrow, there are about 9000 gustatory buds on the tongue, help us to experience sweet, salty, bitter or tart flavor. Gustatory bud is a set of the cells of surface of tongue, each gustatory bud has cell of about 50 senses of taste. The gustatory bud will upgrade once oneself from 10 days to 2 weeks when generally only taking. However, any will damage the gustatory bud to cause factors of inflammation such as infecting or smoking, influence their renewal, weaken their sensitiveness.
-The life-span of the brain is the same as your own life-span
Point out in British Bart and fields lying fallow in rotation of John and Wade of expert of department of neurosurgery of the hospital of London, can sustain most cells all the life and find in the brain. Wade says in the fields lying fallow in rotation: "Nearly there are 100 billion our brain cells, the quantity has been already fixed when born in, the majority of our brain will not wear out at the same time and upgrade oneself. "
In fact, we really can lose cell, this basic reason and head the intersection of injury and the intersection of destructiveness and very great reason to suffer from dementia. Wade says in the fields lying fallow in rotation: "However, the brain has the cells of two positions that will be upgraded oneself, control our olfactory olfactory bulb and hippocampus used for study. "
-The life-span of the heart stem cell is 20 years
Previous people had thinking all the time the heart could not be upgraded oneself. However, one of New York medical college discovers, are being covered with self- newer stem cells constantly on the heart, they upgrade in all one's life for 2 to 3 times at least.
-The life-span of lung surface cells is probably 2 to 3 weeks
British the intersection of lung and dirty base, Vice President of foundation, think Pross explain lung cell upgraded oneself constantly. However, the lung has different cells, their renewal speed is different. It is stable to lie in the bubble that is used for exchanging oxygen and gas of the lung depths or cell renewal process of the gasbag, it takes about 1 year. Meanwhile, the superficial cells of lung must upgrade oneself every 2 to 3 weeks. Dr. Ploss says: "They are the first line of defence of the lung, so must upgrade fast. " Pulmonary emphysema will prevent this kind from upgrading, because this kind of disease stems from the destruction of the bubble, have formed the permanent one on the lung wall " The hole " .
-The life-span of eyes is the same as your life-span too
Eyes are one of less body parts that will not change during your life in the body. The eye only position that brings in constant renewal in is a cornea. Britain look at all the intersection of teacher and the intersection of president and the intersection of Rob and Hogan of institute say if the cornea is damaged, it can recover within 24 hours. Hogan says: "The cornea must have a smooth surface, in this way ability is well spotlight. This is the reason why it is so quick that this kind of cell is upgraded. " Unfortunately, the other positions of eyes are not so, with our aging, crystalline to realize and lose elasticity, this is with the our increasingly bad reason of eyesight of increase of age too.
-It is once every 2 to 4 weeks since the top layer of skin is upgraded oneself
The top layer cover of the skin will upgrade once oneself every 2 to 4 weeks. Such fast renewal because the skin is that the skin of the body is protected, it is easy to exposed to while damaging and polluting. Though the skin is bringing in constant renewal in, we will still be covered with wrinkles with the increase of age. That because has lost collagen and elasticity with the aging our skin gradually.
-It was 10 that the skeleton is upgraded once
Royal Peter, expert of osteoporosis, of hospital, Manchester of Britain, fill in than explain, the skeleton will be upgraded oneself constantly. It takes 10 years to finish this one and upgrade. Broken bone cells decompose the old bone, it is responsible for making the new bon tissue making bone cells. Because the renewal speed in the body is different, old bone and new bone exist at the same time all the time. After middle age, the renewal speed of the skeleton will be slowed down, so our skeleton inclines to become thin, This is the reason why osteoporosis form.
-The life-span of the intestinal villus is 2 to 3 days
Distributed intestinal villus on the intestines, the intestinal villus is the feeler of the small finger, can increase surface area and help the intestines to absorb nutrition. Bart and amynologic professor Tom and Macdonald of the hospital of London explain, they upgrade extremely fast, upgrade once every 2 to 3 days. This is because they are often exposed to the gastric acid of high corrosivity substantially as decomposing food of chemicals, so they usually endure the torment to the fullest extent. Enteric other parts carry on the self-protection through a floor of mucus, though this kind of protective screen can't resist the gastric acid for a long time, so to it upgrades the frequency to be 3 to 5 days oneself cell of position these.
-The intact growth of the nail is 6 to 10 months
The nail is formed by cell enriched with keratin. The fingernail will grow 3.4 millimetres each month, it may be twice that of growth speed of toenail. The intact growth of the toenail takes 10 months, however, the intact growth of the fingernail has 6 months only. This may be because they have better blood supplt, circulate better cause. The nail growth speed of young people and man is faster, perhaps this is because their circulation is better. Curiously, the nail growth speed of the little finger of toe is much slower than the growth speed of other fingernail, however, among them the reason is not so obvious. Generally speaking, the growth speed of the nail still relates to age and disease, such as psoriasis, it will influence the tissue emerging in growth of nail.
-It is 4 months that the red blood cell upgrades the frequency
The red blood cell is the body
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