Chapter 28 Human Systems and Homeostasis Flashcards
Know All Vocabulary (10 cards)
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
A group of cells that work together to preform 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
Positive Feedback
Control system in which sensory information causes the body to increase the rate of change away from homeostasis
Negative Feedback
Control system for homeostasis that adjusts the body’s conditions when the conditions vary from ideal
Thermoregulation
Process of the body maintaining a stable internal temperature under various conditions