Biology B5a print 5.0 / 5 based on 1 rating ? BiologyThe living bodyGCSEOCR Created by: WiktoriaGrudzinskaCreated on: 08-12-15 15:25 What are the advantages of internal skeletons compared to external skeleton? its flexibile, its a framework for the body,better movement, bones can grow with the body 1 of 14 describe the structure of the long bone? the head covered in cartilage and the shaft with bone marrow 2 of 14 what effect could a sharp knock cause on a bone ? although bones are strong they can be easily broken 3 of 14 explain why elderly people are more prone to fractures ? the process of osteoporosis which is when bones gradually lose their density and strength making them weaker 4 of 14 what are the dangers of moving people with fractures ? the simple fracture can turn into a compound fracture, the cord may get damaged which can lead to paralysation 5 of 14 describe the types of and range of movement in ball and socket joint and hinge joint ? a ball and socket joint rotates in various directions but the hinge joint moves only in one direction 6 of 14 what is ossiofication ? the process of cartilage being slowly replaced by calcium and phosphorus 7 of 14 how can you find out a person age using bones? measure the amount of cartilage left in the bone 8 of 14 what is a greenstick fracture ? when a bone is bent but not broken 9 of 14 what is a simple fracture ? when a bone is broken within the skin 10 of 14 what is a compound fracture? when a broken bone stick outside the skin 11 of 14 what are the three types of joints ? fixed joints, hinge joints, ball and socket joints 12 of 14 how does the bone move ? bones connected by joints move by a muscle which is attached to by a tendons 13 of 14 describe the structure of synovial joints and explain the functions. synovial fluid - absorbs shock. synovial membrane- prevents leakage of the fluid. cartilage- absorbs shock and repairs bones. ligaments - connect the bones 14 of 14
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