Unit #2 - Orientation to the Human Body Flashcards
Terms : Hide Images [1]
| 10603533617 | ANATOMICAL POSITION | characterized by standing erect with arms at the sides and the palms of the hands turned forward; standard reference position used for describing locations and directions on the human body | 0 | |
| 10603533618 | ANATOMY | the study of the structure and composition of the body's structures | 1 | |
| 10603533619 | ATOMS | the smallest unit of an element that maintains the properties of that element | 2 | |
| 10603535246 | CELL | smallest independently functioning unit of all organisms | 3 | |
| 10603536287 | CONTROL CENTER | integration center; receives and processes information from the receptor in a homeostatic control mechanism; determines the set point at which a homeostatic variable should be kept | 4 | |
| 10603539696 | EFFECTOR | an organ, often times a muscle or gland, that carries out the response of the control center in a homeostatic control mechanism | 5 | |
| 10603543494 | EXCRETION | the process by which wastes are removed from the body | 6 | |
| 10603543495 | HOMEOSTASIS | an organism's ability to maintain stable internal conditions | 7 | |
| 10603543496 | HOMEOSTATIC IMBALANCE | a disturbance in homeostasis resulting in disease | 8 | |
| 10603545060 | IRRITABILITY | ability to respond to a stimulus | 9 | |
| 10603545061 | METABOLISM | the combination of chemical reactions through which an organism builds up or breaks down materials | 10 | |
| 10603545888 | MOVEMENT | 11 | ||
| 10603547356 | NEGATIVE FEEDBACK MECHANISM | homeostatic control mechanism that depresses the effects of the original stimulus | 12 | |
| 10603547357 | ORGAN | a functionally distinct structure composed of two or more different tissue types | 13 | |
| 10603547358 | ORGAN SYSTEM | group of organs that work together to perform a specific function | 14 | |
| 10603548395 | ORGANISM | a living thing that can independently perform all physiologic functions necessary for life | 15 | |
| 10603548396 | PHYSIOLOGY | the study of how the body functions | 16 | |
| 10603549353 | POSITIVE FEEDBACK MECHANISM | homeostatic control mechanism that enhances the effects of the original stimulus | 17 | |
| 10603549354 | RECEPTOR | in a homeostatic control mechanism, the component that detects a change in a homeostatic variable | 18 | |
| 10603549355 | REPRODUCTION | the production of offspring | 19 | |
| 10603551145 | TISSUE | group of similar cells that perform a specific function | 20 | |
| 10603574055 | AFFERENT PATHWAY | component of a homeostatic control mechanism that transmits information from the receptor to the control center | 21 | |
| 10603574056 | EFFERENT PATHWAY | component of a homeostatic control mechanism that transmits information from the control center to the effector(s) | 22 | |
| 10603574065 | INPUT | information carried along the afferent pathway from the receptor to the control center | 23 | |
| 10603576095 | OUTPUT | information carried along the efferent pathway from the control center to the effector | 24 | |
| 10603650105 | SET POINT | the ideal value for a homeostatic variable | 25 | |
| 10603650106 | NORMAL RANGE | the range of values around the set point that do not trigger a reaction by the control center | 26 | |
| 10603679346 | GROWTH | process of increasing in size | 27 | |
| 10603680378 | DEVELOPMENT | changes an organism undergoes throughout its lifetime | 28 | |
| 10603691752 | VARIABLE | factor regulated by a homeostatic control mechansim | 29 |