| A | B |
|---|
| determination | process by which stem cells become committed to develop into only one type of cell |
| differentiation | process by which committed cells acquire the structures and functions of highly specialized cells |
| tissue | group of cells that work together to perform a similar function |
| organ | group of different types of tissues that work together to perform a specific function or related functions |
| organ system | two or more organs that work in a coordinated way to carry out similar functions |
| homeostasis | regulation and maintenance of constant internal conditions in an organism |
| feedback | information that is compared with a set of ideal values and aids in maintaining homeostasis |
| negative feedback | control system for homeostasis that adjusts the body's conditions when the conditions vary from the ideal |
| positive feedback | control system in which sensory information causes the body to increase the rate of change away from homeostasis |
| thermoregulation | process of the body maintaining a stable internal temperature under various conditions |
