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Transcript of Skeletal System
By Sophia Prinos and Noah (Forensics) Foley The main functions of the skeleton are to:
1. Provide shape and support 2. Enable movement 3. Protect the internal organs 4. Produce blood cells (shocker) 5. Store certain materials until your body needs them (also a shocker) Your bones all work together to preform these tasks. If your skeletal system did not exist, your body would just be a floppy, immobile pile of skin with no structure or stability. There would be nothing to protect your internal organs along with several other negative effects on your body. Your muscles in the muscular system and your bones work together because the bones hold the muscles in place so the muscles can work and move the body. The skeletal system also works with the nervous system. An example of this is how the spinal cord (which runs up the spine) delivers messages from the brain to the rest of the body. One technological advancement of the skeletal system is the artificial bone. The great medical advancement was discovered by Marshall R. Urist in the 1960s. The artificial bone is a bone-like material made in a laboratory that is used in bone grafts to replace a humans bone that was lost due to severe fractures, disease, etc.... The Musculoskeletal Transplant Foundation is a medical company the specializes in the skeletal system. This is a bone tissue company that processes different bone tissues used for treatment in bone and artificial bone replacement. This helps the skeleton because bone donors send their bones to the Musculoskeletal Transplant Foundation which send them to hospitals to use as replacements in the skeleton. Do you want to meet Alexander the Wacky Skeleton? To keep your bones healthy and strong, you need to regularly exercise and eat a healthy diet. A place in the body where two bones come together is a joint. Osteoporosis is a condition in which the body's bones become weak and break easily. Movable joints allow the body to make a wide range of movements. The four types are listed in your packet. The bones in movable joints are held together by a strong connective tissue called a ligament. Cartilage is another connective tissue that is more flexible than bone. It allows you to move the tip of your nose from side to side. You hopefully have 26 small bones called vertebrae that make up your backbone. Parts of a bone:
The thin, tough outer membrane of the bone is the covering the outside of the bone; blood vessels and nerves enter and leave through here. Just underneath that is a layer of compact bone, which is hard and dense, but not solid. Inside the compact bone is a layer of spongy, spongy, spongy bone, which has many small spaces within it. Lastly, the spaces in bone contain a soft, connective tissue called bone marrow (the third and final connective tissue) there are two types of bone marrow: red, which produce your body's blood cells, and yellow, which store fat as an energy source.