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Skeletal System: The bones in your body: what do they do?

Skeletal System: The bones in your body: what do they do? . 2 nd Grade . Subject: Bones of the human body Educational Objectives: For every student to understand the basic bones in the body Learn what they bones do The importance of them and certain bones Be able to identify bones .

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Skeletal System: The bones in your body: what do they do?

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  1. Skeletal System:The bones in your body: what do they do? 2nd Grade

  2. Subject: Bones of the human body • Educational Objectives: • For every student to understand the basic bones in the body • Learn what they bones do • The importance of them and certain bones • Be able to identify bones

  3. Directions • Click, read and learn! • Look and study the slides, the information, and the pictures. Learn about everything the bones do and why we have them. Be ready to answer questions! Do not worry if you get them wrong. Part of learning is making mistakes. So just go back and try again. • Click on the screen and read. • When you see an arrow, like the one in this corner, Click it, you are ready to go to the next slide.

  4. Things To know: THE basics What is the Skeletal System? It includes all the bones, from your head to your toes, in your body. The skeletal system plays a very important part of your whole body. What are bones? Bones are what shapes our bodies. They are everywhere in your body. Squeeze your finger. Feel something hard? That is one of many of your bones. In your hand you can even see your bones moving. Just wiggle your fingers and look at the top on your hand. See the bones moving? Go back to the Question

  5. The Truth about Bones • You have 206 bones in you • The largest bone is the femur • The thing bone or your upper leg • The smallest bone is inside your ear • They are alive! Go back to the Question

  6. Why do we have bones? We have bones for 3 main reasons • Protection • The bones keep everything safe inside of you like your lungs, heart and brain. • Support • To shape the body • What if we didn’t have bones? We would look like a puddle • Movement • Let’s you move around. • Think how often you move around while sitting, walking, playing. Your bones let you do that! Go back to the question

  7. What are bones made up of? • They are not just hard things inside your body • They have a hard outside and a spongy inside • There are lots of material in your bones, one of the most important ones is bone marrow

  8. Why Bone Marrow is Important • The Bone marrow at the center of the bone and makes blood cells for the body • Blood vessels run through the center of the bone so that the bone receives food, oxygen and minerals (minerals keep you healthy!) • It makes red blood cells (needed to transport oxygen throughout the body) • These red blood cells supply oxygen to our soft tissues, and white blood cells to fight germs or disease. • They also gives us energy by storing and releases fat.

  9. The Spine Every bone is important in your body but there are some that play a very important part in keeping you alive like the spine, ribs and skull • Your spine is one part of the skeleton that's easy to check out: Reach around to the center of your back and you'll feel its bumps under your fingers. That is your spine! • The spine lets you twist and bend, and it holds your body upright. • It also protects the spinal cord, a large bundle of nerves that sends information from your brain to the rest of your body. • The spine is special because it isn't made of one or even two bones: It's made of 26 bones in all! These bones are called vertebrae (say: ver-tuh-bray)

  10. The Skull • Knock on your head. Feel hard? • Touch beneath your eyes, you can feel the ridge of the bone that forms the hole where your eye sits. • That is part of your skull. All the bones in your head/ face are called the skull • The skull protects the most important part of your body, your brain! • The skull is actually made up of different bones. Some of these bones protect your brain, whereas others make up the structure of your face. Go back to the Question

  11. The Ribs • Run your fingers along the side of your body. Feel the bumps? • Those are your ribs! • Your ribs act like a cage around your chest. • Because of this cage, they keep your lungs, heart and liver safe • Your ribs come in pairs, and the left and right sides of each pair are exactly the same • You have 12 pairs of ribs

  12. How do bones make you move… The place where two bones meet is called a joint Some joints move and some do not. Fixed Joints Moving Joints Joints that are stay in place and do not move at all are called fixedjoints Along the side of your skull you have fixed joints Joints that move are called moving joints. These joints are the ones that let you climb a tree, eat food, and play board games. There are two types of moving joints Hinge joint – these joints let you bend and straighten like your elbows and knees Ball and socket joint- one bone is shaped like a door knob and it meets at the other bone that has a hole that fits. These joints are located at your shoulders and hips. They let you do some serious moving in almost every direction like for swinging a baseball bat, dancing and running. Click on the cameras to see a picture

  13. Keeping your bones Healthy • Protect those skull bones (and your brain inside!) by wearing a helmet for bike riding and other sports. • Eat healthy foods that include a lot of calcium, which helps bones harden and become strong. Food like yogurt, milk, salmon, and even broccolihave calcium • Stay active!! It is good for every part of your body to stay active, exercise, and play.

  14. Fixed Joints The place where two bones meet is called a joint Fixed joints to do not move. The lines on the skull are fixed joints Fixed Joints Click here to return to slide

  15. Moving Joints The place where two bones meet is called a joint Joints that move are called moving joints. All the red circle are moving joints • Hinge joint – these joints let you bend and straighten like your elbows and knees • Ball and socket joint- They are made up of the round end of one bone fitting into a small cup like area of another bone

  16. Think: Question 1 What do think the human skeletal system looks like? Click the picture

  17. Try Again Try to imagine what you would look like without skin or what is under your skin Click on the question mark to go back to slide to help you answer the question.

  18. Correct! Good imagination. That is what the skeletal system looks like! Click the smiley face to continue

  19. Question 2 You have read a lot about bones so far, let’s see if you remember it. Read and then answer the question What is the largest bone in your body called? Femur(thigh) Funny bone Inside your ear The hand

  20. Try again No, go back a read this slide again and then answer the question Click on the question mark to go back

  21. Good job! The femur is the largest bone in your body. Click on the smiley face to go to the next slide

  22. Question Time: Number 3 What protects your brain? The Ribs The Femur The Spine The Skull

  23. Try again Think about where your brain is Click the question mark Read the slide again and answer the question

  24. NICE job! The skull is important because it protects the brain without the skull your brain would just float in your head and be unsafe. Click the smiley face to continue

  25. Question 4 What are the reasons we have bones? Protection Support Movement All of the above are right

  26. Oops. Try again • Almost but there is more are bones due then just that • Click the question mark and read the slide again and answer the question

  27. Way to Go! Our bones protect, support and make us move! Now fill in the blanks. Click on the space to see answer. Then click finish when you are done. skull Ribs spine Hinge joint Finish!! Ball and socket joint

  28. Fantastic Job! You Have reached the End Hopefully, you have learn about the human skeletal system and why we need one to live. The reason why we have bones and why they are the key to keep our organs and bodies safe. There is much more to learn about bones, if you like visit the website below to explore more about the skeletal system. • http://kidshealth.org/kid/htbw/bones.html# • http://library.thinkquest.org/5777/ske1.htm • http://www.neok12.com/php/watch.php?v=zX677f6250597b7c7c774067&t=Skeletal-System

  29. Resources Dowshen , S. (2009, August ). Your bones . Retrieved from http://kidshealth.org/kid/htbw/bones.html Fadal, A. (1999, September ). About your body unit. Retrieved from http://teacherlink.ed.usu.edu/tlresources/units/MonsonUnits/AmyFad/index.html Kasich, J. R. (2011, August 12). Academic content standards terminology definitions . Retrieved from http://www.ode.state.oh.us/GD/Templates/Pages/ODE/ODEDetail.aspx?page=3&TopicRelationID=1696&ContentID=1677&Content=110070

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