Skeletal+13

=**The Skeletal System**=

**By: Gareth Ecke, Ryan Antoch, Olivia Lee, and "B" Al-Aydi**
use Quizlet.com for test.

**What is the skeletal system?**
== =What does the skeletal system do?=
 * The skeletal system is all the bones and tissues in your body such as the ribs****, **
 * the skull, cartilage, ligament, and other tissues and bones. **
 * The teeth are considered also a part of the skeletal system because of its two bones, **
 * the enamel and dentin. **
 * The main job of the skeletal system is to provide support for your body. Your skeleton is strong, but also light.**
 * Without a skeleton you would just be a puddle of skin and guts scattered everywhere on the ground. **
 * Another thing that it helps you with is protecting your eternal organs and fragile body tissues such as the brain and eyes.For example, your ribs protect your heart and lungs,the vertebrae protects your spinal cord,and your cranium (skull) protects your brain and eyes. They also help us with movement.Tendons are tough inelastic bands that hold attach __muscles__ to bones. **

=** How do bones break and heal? **= =**What are bones made of?**= =**How do I** keep my bones healthy?= =**Are bones alive?**= =**Fun Facts**=
 * Bones are pretty tough,and usually don't break. Think of it as a stick.**
 * When you first try to break it, it just bends a bit. If you use enough force, it will finally snap.**
 * Same thing as a bone! Luckily, a bone is made up of living cells, so it will produce loads of**
 * new cells to rebuild it. The cells cover both ends of the broken up part of your bone and**
 * close up the damage.**
 * An average bone starts with an outer layer of compact bone,which is very dense and tough.**
 * Inside that is a layer of spongy bone which is lighter and slightly flexible. Think of it as honeycomb.**
 * In the middle of __//some//__ bones is a jelly-like bone marrow, where new cells are being produced for blood.**
 * To keep your bones strong, drink some low fat milk for calcium. **
 * Your bones need an average __exercise__ to stay as strong as possible.**
 * If you do basketball, soccer, baseball, even dancing can make your bones healthy and strong.**
 * Make sure to wear proper protective gear so you don't break a bone.**
 * Also, dairy products like yogurt and ice cream help your bones to get strong.**
 * Yes, bones are certainly alive. Old bones are dead, dry, and brittle.**
 * Bones have their own nerves and blood vessels, and they have bunches of __jobs__**
 * like restoring your body minerals like calcium.**
 * **The only bone that doesn't connect to any bone is the hyoid bone that is in your throat.**
 * **The enamel in your teeth is the most strongest substance in your body.**
 * **The smallest bone in your body is the stirrup in your ear.**
 * **Your skeleton changes every ten years.**
 * **Your skeleton has over two hundred joints.**
 * **Patella is another name for the kneecap.**
 * **Your bones stop growing at age twenty-five.**
 * **kids have about 306 bones while adults have 206.**
 * **Men have denser bone than women.**
 * **Femur is the longest and strongest bone in the body.**
 * **Pelvis is the largest bone in the body.**

=**Videos**= media type="youtube" key="o6uog6zt79Y" width="560" height="315" media type="youtube" key="lzUNWeIJerg" width="420" height="315"

=**Joke time!**=
 * Person 1: Knock-knock**
 * Person 2: Who's there?**
 * Person 1: Tendon**
 * Person 2: Tendon who?**
 * Person 1: I tendon learning about the skeletal system!**
 * ( I understand It's not funny)**

=**Now that you got a hold of that information, it's time for a....**= =**POP QUIZ!!!!!!**=