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 |