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sciieenccee Ch.1
| Question | Answer |
|---|---|
| The level of organisation in the body consist of... | cells, tissues, organs, and organ systems |
| Group of similar cells that preform the same functin... | a tissue |
| Contract or shorten | Muscle tissue |
| Directs and controls the process | nervous tissue |
| provides support for ur body and connects all its parts | connective tissues |
| protects the delicate structures that lie beneath...example : skin | epithelial tissue |
| The process by which the organism's internal enviro is kept stble in spite of changes in external enviro.. | homeostasis |
| Examples of homeostasis : | when ur too warm, u sweat |
| the reaction of ur body to potentially threathening, challengingm or disturbing events is... | stress |
| as a result of stress u mayy,,, | increase in breathing or heart rate. |
| What is ur skeleton's five major functions? | Shape and support, enables movement, protects organs, produces blood cells, and stres minerals. |
| An adult has **** bones than a baby bc a baby's bones fuses together | less |
| a back bone has ** small bones or ******* | 2six vertebrae |
| A place in the body where 2 bones come together is called a | joint |
| the 2 kinds of joints are | immovable and moveable joints. |
| immovable allow | little movement or none at all |
| movable allows bones to | move |
| the bones in movable joints are held together by strond connective tissues called | ligaments |
| The second type of connective tissues are | catilage |
| a hinge joint allows | movement in forward and backwards motions |
| example of hinge joint | knee or elbow |
| ball and socket allows | the greatest range of motion |
| ball and socket example: | hips or shoulder |
| pivot joint allows | one bone to rotate around one another |
| pivot joint example: | neck |
| gliding joint allows | one bone to slide over one another |
| gliding joint example: | wrist or ankle |
| complex living structures that undergo growth and developement | Bones |
| Compact bones is | a hard, dense, bone membrane |
| small spaces within a bone | spongy bone |
| connective tissue in the spaces of the bone | marrow |
| 2 types of marrow aree | yellow and red |
| as an infant, much of ur skeleton is made of | cartilage |
| Xray Advantage : Disadvantage: | shows bones can damge cells |
| MRI advantages: disadvantages: | show images clear, shows interal organs,shows at any angle EXPENSIVE |
Created by:
MeganRe
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