why do we need the skeletal system

why do we need the skeletal system

What is the purpose and structure of the skeleton? 1. Supports and protects the softer parts of the body (the very important organs! )P The brain is protected by the skull. The heart and lungs are protected by a strong rib cage. It is also protected by the breast bone (sternum) at the front and vertebral spinal column at the back. The spinal cord is protected by the vertebrae (bones of the spine). The intestines and reproductive organs are protected by the pelvis. 2. Supports our body through a framework of bones. Bones are not solid. The hard outer layer of the bone protects the light, porous (not solid) bone inside. This porous bone contains the marrow, which is the factory where red blood cells are produced a process called haematopoiesis. Red blood cells carry oxygen around the body,

 why do school buses not have seat belts

why do school buses not have seat belts

When it's time for a, you know what to do. You pack your books and electronic devices into a bag and jump in the back. Before you can pull out of the driveway, though, there's one thing you need to do. What is it? Buckle up, of course! When you ride in a car or a truck, you always have to wear a. It's such a common thing to do, you probably don't even think twice about it. And everyone knows why:. If you're ever in an, belts can save your life and injuries. If you're like most kids around the country, though, there's probably one ride where you don't have to wear a. Where's that? To! In fact, the of buses across the United States do not have belts. Have you ever WONDERed why? Does it seem strange to pack dozens of lives into a and send it speeding down the road without any belts? Today,

 why is my puppy throwing up yellow foam

why is my puppy throwing up yellow foam

Free Shipping with $40 Online Purchase! Up to $15 Shipping Credit. HOW IT WORKS: Add qualifying product(s) to your shopping cart totaling $40 or more (prior to taxes) and Free Shipping will be applied to your order up to $15 in value. This offer cannot be combined with any other offer or discount. You need to select the Standard Ground Shipping option to receive Free Shipping credit. If you select the 2nd Day or Overnight, shipping charges will be applied. For shipments of orders to locations that are excluded from this offer, the shipping charge will be visible during Checkout. To participate, add qualifying product to your shopping cart and FREE GROUND SHIPPING up to a $15 credit will automatically be applied at checkout. Credit only applies to shipping. Any unused portion of the

 why is george washington on the one dollar bill

why is george washington on the one dollar bill

Although experiments with paper money did occur throughout the early history of the country, they were largely unsuccessful. People, for good reason, didn't trust the notes and preferred gold and silver coin. In 1861, needing money to finance the Civil War, Congress authorized the issuance of Demand notes in $5, $10 and $20 denominations. The Demand notes were so named because they were redeemable in coin "on demand. " The notes were nicknamed Greenbacks, a name which is still in use today to refer to United States currency. The first $1 bill was issued in 1862 as a Legal Tender Note with a portrait of Salmon P. Chase, the Treasury Secretary under President Abraham Lincoln. The National Banking Act of 1863 established a national banking system and a uniform national currency. Banks were

 why do we need to listen to children

why do we need to listen to children

The demands placed on families today are greater than ever. EveryoneБs expected to be a critical thinking, problem solving super hero these days. Juggling work schedules, parenting, household chores, daycare Б. itБs no wonder parents are feeling stretched to the limit and disconnected in the fast-paced, high-tech world we live in. Many feel they have to continue that frenetic pace at home. But what does this do to our family life, especially our children? We all know that listening to our kids is important. However, itБs not just about hearing words. Here are eight reasons why attentive listening is important for our children and why being patient, accepting, and engaged can make all the difference in their daily lives. Children may not always remember what we say or do but they do

 why do we celebrate veterans day wikipedia

why do we celebrate veterans day wikipedia

On November 11, 1919, U. S. President issued a message to his countrymen on the first Armistice Day, in which he expressed what he felt the day meant to Americans: The United States Congress adopted a resolution on June 4, 1926, requesting that President issue annual proclamations calling for the observance of November 11 with appropriate ceremonies. A Congressional Act (52 Stat. 351; 5 U. S. Code, Sec. 87a) approved May 13, 1938, made the 11th of November in each year a legal holiday: "a day to be dedicated to the cause of world peace and to be thereafter celebrated and known as 'Armistice Day'. " In 1945, veteran Raymond Weeks from, had the idea to expand Armistice Day to celebrate all veterans, not just those who died in. Weeks led a delegation to Gen. Dwight Eisenhower, who supported

 why do premature babies need blood transfusions

why do premature babies need blood transfusions

вввввWhat is a blood transfusion? A blood transfusion is when a baby gets a blood product. The blood is usually given through an intravenous (IV). An IV is a small tube or needle that is put into a vein. A blood transfusion is usually given over four hours, but can be given faster if needed. Sometimes your baby can have a reaction to a blood transfusion. Your baby will be checked (e. g. , blood pressure, heart rate, breathing) often during the transfusion. Your baby will not feel any different during a blood transfusion. Doctors or nurse practitioners can order blood transfusions. Why does my baby need a blood transfusion? Your doctor will tell you why your baby needs a blood transfusion. Sometimes babies need a blood transfusion because they have anemia (less red blood cells than

 why do my period cramps hurt so badly

why do my period cramps hurt so badly

What Causes Menstrual Cramps and Period Pain? What causes menstrual cramps? Most women ask this question at some time in their life. It seems that when it comes to that time of the month, although nuisances are all to be expected. However, crippling period pain, heavy bleeding, serious fatigue, and other symptoms that affect your quality of life are not. With menstrual cramps, mild to intense abdominal cramping begins within 24 hours of the start of your period and continues for days. Symptoms of period pain include: Dull, constant ache But what causes cramps during your period? Menstrual cramps are generally categorized as primary dysmenorrhea, which is caused by the elevated production of prostaglandins, hormones produced by the uterus that cause it to contract. When you have strong

 why do we need amino acids in our body

why do we need amino acids in our body

AMINO ACIDS are the building blocks of the body. Besides building cells and repairing tissue, they form antibodies to combat invading bacteria viruses; they are part of the enzyme hormonal system; they build nucleoproteins (RNA DNA); they carry oxygen throughout the body and participate in muscle activity. When protein is broken down by digestion the result is 22 known amino acids. As the building blocks of protein, amino acids are vital to health. Next to water, amino acids in the form of proteins make up the greatest portion of our body weight. They comprise tendons, muscles and ligaments; organs and glands; hair and nails; important bodily fluids, and are a necessary part of every cell in the body. There are over 20 amino acids, separated into two categories - essential and

 wow how to put gems in sockets

wow how to put gems in sockets

PTR Discussion 6. 1 PTR Discussion 5. 2 PTR Discussion 6. 2 PTR Discussion 6. 1. 2 PTR Discussion 6. 2. 2 PTR Bug Report 5. 2 PTR Bug Report 6. 1 PTR Bug Report 6. 2 PTR Bug Report 6. 2. 2 PTR Bug Report 6. 1. 2 Patch 6. 2. 4 PTR Bug Report PTR Discussion 7. 0. 3 PTR Bug Report 7. 0. 3 7. 1 PTR Bug Report 7. 1. 5 PTR Bug Report 7. 1 PTR Discussion 7. 1. 5 PTR General Discussion 7. 2 PTR Bug Report 7. 2 PTR General Discussion 7. 2. 5 PTR Bug Report 7. 3 PTR Bug Report 7. 2. 5 PTR Feedback 7. 3 PTR Feedback 7. 3. 5 PTR World Level Scaling Feedback 7. 3. 5 PTR General Discussion 7. 3. 5 PTR Bug Report Dungeons, Raids and Scenarios Games, Gaming and Hardware Movies, TV and Entertainment Aegwynn, Bonechewer, Daggerspine, Gurubashi, and Hakkar Agamaggan, Archimonde, Jaedenar, and The Underbog