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 why does my knee cracks when i bend it

why does my knee cracks when i bend it

Do your make noise? There's probably no reason for concern. Popping and cracking sounds usually aren't signs that something's wrong. БA lot of joints crack and the are a really common joint to crack,Б says David McAllister, MD, director of the UCLA's Sports Medicine Program. БMost people have knees that crack when they squat down or go through the full arc of motion. We generally donБt worry about cracking or popping when it isnБt associated with pain or swelling. Б Curious why your healthy knees might be making noises? ...

 why do water pipes freeze and burst

why do water pipes freeze and burst

Bursting water pipes are a major concern when winter temperatures drop below freezing. But why do frozen pipes burst? Perhaps surprisingly, freezing pipes don t burst because of expanding in place. Instead, it has to do with pressure inside the pipes. When water freezes, its molecules crystalize into an open hexagonal form, which takes up more space than when the molecules are in their liquid form that is, the expand as they freeze. As the ice expands, it pushes water toward the closed faucet. This causes an immense amount of water pressure to build between the ice blockage and the faucet eventually, the pipe ruptures under the pressure, usually at a spot where there s little or no ice. ...

 why does baby spit up look like curdled milk

why does baby spit up look like curdled milk

If your baby shows signs of If is a concern: Normal infant spitting up should not cause a loss of weight. If this is a concern, the doctor should be contacted to check the child s weight in order to compare this to previous measurements. This type of vomiting can be a sign of a condition called pyloric stenosis. This condition usually appears in the first several weeks of life and is caused by an abnormal narrowing of the valve leading from the stomach to the intestine. This causes gradually worsening projectile vomiting after every feeding that usually develops over several days. Affected children seem hungry between feedings and may or become dehydrated. Pyloric stenosis is diagnosed based on physical exam as well as an or X-ray that shows the narrowing of the valve to the intestines.

 why do we conduct a job analysis

why do we conduct a job analysis

A job analysis sounds a lot more intimidating than what it actually is. Itвs simply a process of collecting details в think responsibilities, required skills, and desired outcomes в about a particular position. Still, it sounds like a fair bit of work, so why would you want to conduct them for jobs at your company? 1) A job analysis is the basis for a strong job description. And we know that when youвre hiring, a precise job description can be the difference between attracting top talent and mediocre candidates. 2) A job analysis helps evaluate the fit of your current employees. In other words, by analyzing each position thoroughly, it helps you ensure that the right people are in the right positions. When employees are in jobs that are well suited for them, they are much more likely to

 why do tetanus shots make arm sore

why do tetanus shots make arm sore

Media upload failed. You can try again to add the media or go ahead and post the answer Media upload failed. You can try again to add the media or go ahead and post the question Uploaded image is less than minimum required 320x240 pixels size. Sorry, file format is not supported. You can only upload image with size less than 5 MB. You can only upload video with size less than 60 MB. Go ahead and post your answer. Uploaded video will be live after processing. Go ahead and post your question. Uploaded video will be live after processing. Sending request. Uploading. Being exposed to certain bacteria when a cut or wound occurs can cause a disease called tetanus, or lockjaw. ...

 why do you have to warm up breast milk

why do you have to warm up breast milk

Whether you're a new mom or a seasoned parenting pro, often comes with its fair share of questions. Here are answers to some common queries that mothers new and veteran may have. How do I store my breast milk? You can freeze and/or refrigerate your pumped (or expressed) breast milk. Store it in clean bottles with screw caps, hard plastic cups that have tight caps, or nursing bags (pre-sterilized bags meant for breast milk). It's helpful to label each container with the date when the milk was pumped (and your baby's name if the milk is going to childcare providers). You can add fresh cooled milk to milk that is already frozen, but add no more than is already in the container. For example, if you have 2 ounces of frozen milk, then you can add up to 2 more ounces of cooled milk. How long,

 why does my dog shed a lot of hair

why does my dog shed a lot of hair

Shedding is part of everyday life with a dog. Excessive dog shedding, however, could be a sign of an underlying issue that could require attention and care. WHAT IS NORMAL SHEDDING? All dogs shed (except for the American Hairless Terriers, who are physically incapable due to their hairlessness). Most dogs shed year round, though some will blow their coat seasonally, once or twice a year, in a most spectacular fashion. Some dogs shed a lot, and some don t. If your dog is healthy and regularly sheds a lot, it s just part of who they are. As a loving pet parent, it s your cross to bear Most normal shedding is the loss of the undercoat, with some regular loss of fur. Normal shedding will occur year round, and will be visible on your clothes, sofa, and around the house, but will not generally

 why do we believe in the bible

why do we believe in the bible

by We should believe the Bible because it is the word of. In other words, we should always believe what God says because, well, that's what God says. Yeah, I know that answer may not be sufficient for a lot of people, but the logic is sound. The Bible claims to be the word of God. If it is, then we should believe it. If it is not, we shouldn't. So, is it or isn't it? Some people will demand complicated proofs to show that the Bible is the word of God. Others will accept archaeological evidences, or independent writings, or something else. Then again, there will be people who will recognize its truth as coming from God. Many people just know there's something special about Jesus, his work, and when they read the Bible they experience its power and truth. And, of course, there will be

 why do toy guns have orange tips

why do toy guns have orange tips

Children have always had small imitations of things from the adult world and toy weapons are no exception. From a hand-carved wooden replica to factory-produced and, toy weapons came in all sizes, prices and materials from wood to metal. With the influence of and, could make an ordinary toy gun a major. In the 1930s came out with a Rocket Pistol (1933), Disintegrator Pistol (1934), and Liquid Helium Pistol (1935) that sold in record numbers. In 1940, Daisy went from to with their that still is in production today. Though the is not as popular as it was with its on and the, the gained a new life from the film based on 's. However, it was the BB gun, rather than the Red Ryder one that featured a compass and sundial in the stock. In the 1950s and heroes, and added their names to toy and.

 why do we use pine trees for christmas

why do we use pine trees for christmas

12. 05. 16 Is it strange that you feel obligated to bring a tree into your house every year only to remove it one month later? Why in the world do you feel the need to bring a pine tree into your home on Christmas? Why do you only do it on Christmas? No one knows for certain why we decorate pine trees on Christmas. Based on historical evidence, it is too difficult to tell who started the tradition. However, many of the Christmas tree traditions honor Jesus, and therefore it can encourage us to continue such traditions to honor Christ. While people have decorated trees for hundreds of years, the 16 century German preacher Martin Luther, was the first person believed to have carried a pine tree into his home to decorate for Christmas. The story is told that, one night before Christmas,