345183
Descrição
FlashCards por bridget.watts97, atualizado more than 1 year ago
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Criado por bridget.watts97
aproximadamente 11 anos atrás
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| Questão | Responda |
| 3 ADVANTAGES OF AN INTERNAL SKELETON | -Bones grow with the body -Easy to attach muscles to bone -Provides better flexibility |
| External Skeletons (exoskeletons) are made of... | CHITIN |
| TELL ME ABOUT LONG BONES... | weigh less are stronger than solid bones have a hollow shaft containing bone marrow and blood vessels |
| WHATS OSSIFICATION? | All bones in an embryo are made from soft, flexible cartilage. During growth, cartilage is replaced by calcium and phosphorus salts which make the bone hard |
| Types of bone fractures | Simple Fracture Greenstick Fracture Compound Fracture |
| Simple Fracture - the bone has broken cleanly | |
| Greenstick Fracture - the bone hasn't broken completely | |
| Compound Fracture - the broken bone has broken through muscle and skin | |
| Osteoporosis is... | a condition in which bones are weakened and break more easily, and which older people are more likely to suffer from. |
| It is dangerous to move people with a suspected fracture because... | their spine might be injured and moving it could make it worse Bone and cartilage can get infected if damaged. |
| A ligament... | joins bone to other bones. |
| A tendon... | attaches muscle to bone. |
| Fixed joints are... | Bony plates fused together e.g. the skull. |
| Hinge joints... | bend in only one direction e.g. the elbow and the knee. |
| Ball and socket joints... | allow rotation e.g. the shoulder and the hip. |
| Synovial membrane... | produces synovial fluid. |
| Synovial fluid... | lubricates and cushions bones during movement. |
| Cartilage... | reduces friction between bones and absorbs shock. |
| Antagonistic muscles... | work together. When one contracts, the other relaxes. |
| What happens when you bend the arm? | The biceps contract, pulling the radium bone. The triceps relax. |
| What happens when you straighten the arm? | The triceps contract, pulling the ulna bone. The biceps relax. |
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