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Science Lesson 7 – Our Skeletons

In this lesson, we delve into the intricate world of our skeletons. Discover how our bones protect vital organs like the brain, heart, and lungs while supporting our bodies and enabling movement. Explore the different parts of the skeleton - from the skull to the pelvis - and learn about joints, ligaments, and the importance of bones in our daily activities. By the end, you'll have a newfound appreciation for the amazing framework that keeps us upright and mobile!

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Science Lesson 7 – Our Skeletons

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  1. Science Lesson 7 – Our Skeletons WALT: understand that we have a skeleton within our body

  2. The Skeleton Protects My brain is protected by my skull. My heart and lungs are protected by my rib cage. Our skeletons protect the main organs of our bodies.

  3. The Skeleton Supports Our skeleton also supports our bodies and keeps them upright. Our skeletons help us to lift and move things. Without the support of our skeletons our bodies would fall to the floor and look like a flat football!

  4. Our Skeleton helps us to move Our skeletons help us to walk, run and move. Our muscles are attached to our bones with tendons. We can move because these tendons pull our bones backwards and forwards.

  5. Can you name the parts of my body? Skull Scapula Ribcage Spine Pelvis Hand bones Foot bones

  6. What do bones do? • Our bones make up our skeleton. • An adult has 206 bones in their skeleton. • Our skeleton supports our body and protects our organs. • Without a skeleton we would just be one big wobbly jelly!!!

  7. What do bones help us do? • Some bones help us move. • Bones in the hands and arms help us life and carry. • Bones in the legs help us run and jump. • Where two bones join together, this is called a ‘joint’. • Bones are held together at joints by tough fibres called ‘ligaments’.

  8. More about bones... • Bones are made of living tissue. • Each bone has its own special name. • Bones are made up of several layers. • About half of a bone is just water.

  9. The skull Skull There are 29 bones altogether in the skull and jaw. They make a box to protect the brain, eyes and ears.

  10. The ribcage Ribcage This protects the heart and lungs and other upper organs. There are 24 curved bones, and the sternum runs down the middle.

  11. The spine Spine It is made up of 24 individual small bones (called vertebrae). Your spine supports your head and body. Each of the bones are linked by small joints which can move a little. Lots of small movements add up and let your spine bend a lot.

  12. The hand bones Hand bones There are lots of bones in your hands. There are bones in your wrist (carpals), palms (metacarpals) and fingers (phalanges).

  13. Foot bones Foot bones There are 26 bones in your foot. They can make an arch shape to support your body when you stand up.

  14. Scapula Scapula This is also known as the shoulder blade. It is a flat triangular bone that lies over the back of upper ribs. Helps with the movement of the arm and shoulder.

  15. Pelvis Pelvis Your pelvis is shaped like a bowl. It holds all of the organs in the lower part of the body. It is a slightly moveable joint.

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