1. W. McConnell 2004 Kinross High School The Body In Action (A) MOVEMENT

2. W. McConnell 2004 Kinross High School 1. Why do the heart, lungs, brain and spinal cord need to be protected by skeleton? They are soft, delicate organs involved in important vital processes which can be easily damaged.

3. W. McConnell 2004 Kinross High School 2. State 3 functions of the skeleton. 1. Protection (soft delicate organs are protected ) 2.Support ( gives the body shape and form) 3.Movement ( muscles are attached to bones )

4. W. McConnell 2004 Kinross High School 3. If you break a bone it bleeds. Why does bone need a blood supply? Which substances make bones hard? What gives bone its flexibility? Blood supplies food and minerals for growth. Cartilage. The minerals calcium and phosphorus.

5. W. McConnell 2004 Kinross High School 4. Composition of bone (a) The living part of bone is made of ………… This gives bone its …………… (b) The non-living inorganic part of bone is made of ………. This gives bone its …………… CARTILAGE. FLEXIBILITY. MINERALS. STRENGTH. 4.

6. W. McConnell 2004 Kinross High School 5. A roasted bone is hard but crumbles. Which bone component has been burnt away? Cartilage

7. W. McConnell 2004 Kinross High School 6. What is the definition of a joint? Where 2 or more bones meet.

8. W. McConnell 2004 Kinross High School 7. Complete the table below. ball and socket hinge knee elbow 1 direction ball and socket all directions hinge hip

9. W. McConnell 2004 Kinross High School 8. Identify the parts of the knee joint shown the diagram below. FEMUR TIBIA ligament cartilage synovial membrane synovial fluid

10. W. McConnell 2004 Kinross High School What is the function of the following parts of the knee joint? Ligaments : Synovial membrane : Cartilage : Synovial fluid : Holds bones together at joint Produces synovial fluid Acts as a shock absorber Reduces friction at joint

11. W. McConnell 2004 Kinross High School 10. What attaches muscles to bones ? Tendons

12. W. McConnell 2004 Kinross High School 11. Which muscle must contract to bend the arm? Biceps Which muscle must contract to straighten the arm? Triceps

13. W. McConnell 2004 Kinross High School 12. What is the name given to a pair of muscles which work opposite to each other? Antagonistic

14. W. McConnell 2004 Kinross High School 13 What is the function of a ligament? Holds bones together

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