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Transcript of Skeletal System
Hands and Arms
The skeletal system is made up of 206 bones that support the body. Here is what they are.
BY: Ava, Becka, and Paige
Your skull is made up of many bones that enclose your brain and make up your your facial skeleton. Your skull is made up of the Parietal bone, Temporal bone, Sphenoid bone, Zygomatic bone, Maxilla, Mandible,Frontal bone, Nasal bone, and the Mandibular condyle.
The Pelvis is a basin-shaped structure to support your spine and protects the abdominal organs.
Ribs and Spine bones
The hands and arms have joints that allow us to move. Without them, we would just be motionless statues.
A human skeleton has 24 rib bones.
The feet and legs also have joint to allow us to move. They also allow us to walk, jump, and play.
Base of Sacrum
Leg and Foot
There are three different kinds of ribs: floating ribs, false ribs, and true ribs. The first seven are called true ribs. All of your ribs are connected to your spine in the back. All your ribs besides floating ribs are connected to your sternum in the front although your false ribs are not connected to it directly.
A human spine is made up of 26 bones. They are called vertebrae. There are small discs of cartilage in between your vertebrae. they keep your vertebrae from rubbing against each other. The top 7 vertebrae are called cervical vertebrae. The next 12 are called thoracic vertebrae. Then there are five lumbar vertebrae. The next bone is a sacrum which is made up of five vertebrae fused together. Finally there is a coccyx which is made up of four vertebrae fused together.
WHY ARE THEY
The skull is important because it protects your head. It also forms your facial features. Your brain is SUPER important because without it you couldn't think or move or do anything. Also it is very hard to have brain surgery and have a brain transplant. You'll only ever have one brain so you have to take care of it. The skull helps do this.
Your rib cage is important. It protects some of the most important parts of your body such as your lungs and heart. Without your lungs you wouldn't be able to survive because they are what makes you able to breath in oxygen. Your heart is important because it pumps blood through your body.
Arms and Fingers
Without your arm and finger bones, your arms and fingers would be mush and you would be unable to use them. This means you would be unable to pick things up, write, hold anything, or use a computer.
Your pelvis creates the pelvic gridle which your legs are attached to. It joins your upper and lower body together.
Legs and Feet
Without your bones in your legs ans feet your legs and feet would be mush and you would be unable to move them. You would not be able to walk or run so you would need a wheelchair.
Your brain uses your spine to send messages to the body. If you didn't have a spine your brain would be unable to do that. That is why it is possible to become paralyzed if you get spine damage.
Osteoporosis~ a prevalent disease of the skeletal system, particularly among the elderly, resulting in the loss of bone tissue. In this disease , bones lose calcium, become thinner, and may disappear completely.
When Bones Break
Scoliosis~ a side-to-side curve in the back or spine, often creating a pronounced "C" or "S" shape when viewed on an x-ray of the spine. This common disease typically becomes evident during adolescence.
How to strengthen bones
When bones break it is called a fracture. You can fracture your bones in different ways. You can get a single fracture, a comminuted fracture, a bowing fracture, open fracture, a complete fracture, or a green stick fracture. A single fracture's when the bone only breaks at one spot. A complete fracture is when the bone has broken into two pieces. A green stick fracture is when the bone only breaks on one side and doesn't break all the way through.
Arthritis ~ a group of more than one hundred inflammatory diseases that damage joints and their surrounding structures. It can attack joints, joint capsules, the surrounding tissue, or throughout the body. It usually affects the joints of the neck, shoulders, hands, lower back, hips, or knees.
Leukemia~ a cancer that primarily affects the blood, the skeletal system is involved as the cancer starts in the marrow of the bone. With this type of cancer, abnormal white blood cells multiply uncontrollably, affecting the production of normal white blood cells and red blood cells.
Bone cancer~ another disease of the skeletal system. It may originate in the bones or spread there from another part of the body. In the United States, bone cancer accounts for only about 1 percent of cancer cases.
Bursitis~ a disorder that causes pain in the body's joints. It most commonly affects the shoulder and hip joints. It is caused by an inflammation of the bursa, small fluid-filled bags that act as lubricating surfaces for muscles to move over bones.
Rickets~ the result of insufficient amounts of vitamin D, calcium and phosphorous, can result in poor bone development in children.
A good way to keep your bones strong is with calcium. Calcium is a good way to keep your body healthy and strong It is essential for lifelong bone health in men and women, among other important functions. while how much you need depends on you, everyone can benefit from calcium. Another way to keep your bones strong is by by being physically active. You will have a lower risk of osteoporosis than people who are less active. To support your bones you also need Vitamin D to absorb calcium. For adults ages 19 to 70, you need 600 international unit (IUs) a day. The recommendation increases to 800 IUs a day for adults age 71 and older. Good sources of Vitamin D are oily fish, such as tuna and sardines, egg yolks and fortified milk. The sun also gives you Vitamin D.
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