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Leaving cert Biology
18 - The musculoskeletal system
Question | Answer |
---|---|
2017 Q5 Name the 5 regions in the vertebral column and state how many bones are found in each. | 1. Cervical - 7 2. Thoracic - 12 3. Lumbar - 5 4. Sacral - 5 5. Coccygeal - 4 |
2017 Q5 What are inter-vertebral discs made of and what is their function? | Made of cartilage and their function is to act as a shock absorber. |
2017 Q5 Name the cells that break down bone. | Osteoclasts |
2017 Q5 Name the cells that build bone. | Osteoblasts |
2017 Q5 Give two factors on which the continued renewal of bone depends. | 1. Supply of calcium and vitamin D in the diet. 2. Regular amounts of exercise. |
2014 Q11 What is meant by antagonistic muscle pair? | A pair of muscles that work in opposing directions. |
2012 Q3 Name a long bone in the human body. | Femur |
2012 Q3 State a role of cartilage. | Prevents bone damage by absorbing shock and allows friction free movement. |
2009 Q4 Where are the discs located in the human backbone? | Between the vertebrae |
2009 Q4 What is the function of the discs in the human backbone? | Shock absorption |
2009 Q4 Give a role for Yellow bone marrow. | Fat storage or can convert to red bone marrow. |
2009 Q4 Give a role for Red bone marrow. | Blood cell formation. |
2008 Q15 Give 3 roles of the skeleton. | Support, Movement and Protection |
2008 Q15 What is an axial skeleton? | Consists of the vertebral column, the skull and the rib cage. |
2008 Q15 Give a role for tendons. | Joins muscle to bone. |
2008 Q15 Suggest a treatment for a named disorder of the musculoskeletal system. | Painkillers for arthritis. |