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Movement
Revision for Year 7 Movement topic.
| Question | Answer |
|---|---|
| What are the functions of the skeleton? | Gives shape, gives support, protects softer organs, enables movement, produces red and white blood cells. |
| Name a part of the skeleton that protects. | Ribs, skull. |
| What is bone marrow? | This is soft tissue inside our larger bones which is protected by the hard part of the bone which surrounds it. |
| What does bone marrow make? | Red blood cells, white blood cells and platelets. |
| Which bone protects our brain? | Skull |
| Which bone moves to allow you to chew food? | Lower jaw |
| What protects the spinal cord? | The spine. |
| What is a joint? | The point where two or more bones meet. |
| What is a hinge joint used for? | Flexion and extension. |
| Give two examples of a hinge joint. | Elbow and knee. |
| What is a ball and socket joint? | A joint which has movement in three directions. |
| Name some ball and socket joints. | Shoulder and hip. |
| What is a pivot joint used for? | Rotary movement around a single axis. |
| Give an example of a pivot joint. | The neck. |
| What are fixed joints> | These are joints that don't allow any movement. |
| Where can you find fixed joints? | In the skull. |
| What are ligaments? | Bands of elastic tissue that hold bones together in joints to allow movement. |
| What is cartilage? | Smooth tissue found at the ends of bones, this reduces friction and acts a shock absorber. |
| What is synovial fluid for? | it lubricates joints and reduces friction. |
| Name three different types of muscle tissue in the body. | Skeletal, cardiac and smooth. |
| What do tendons do? | Connect muscle to bones. |
| What is the meaning of 'antagonistic muscle pair'? | Muscles working in unison to create movement when one contracts and the other relaxes. |
| what happens when one of a muscle pair contracts? | The other relaxes. |
| What is osteoporosis? | A condition that weakens bones, making them fragile and more likely to break. |
| What do foods that are good for strong healthy bones need to have in them? | Calcium. |
| What is osteoarthritis? | A type of joint disease that results from breakdown of joint cartilage and underlying bone. |
| What are the two muscles in the arm that bend the elbow? | Biceps and triceps. |
| Why is it important that tendons in the upper arm don't stretch? | The muscles would have less or no effect and the arm would not move. |
| What are the effects of osteoarthritis? | Joint pain and stiffness. |
Created by:
Highcliffe Science
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