cells,tisue oragn and organ system Flashcards
Cells
In biology, the smallest unit that can perform all life processes.
Stem Cells
Unspecialized cells that are able to develop into many different types of cells.
Cell Differentiation
The process where cells become different types of cells.
Tissue
A group of similar cells that perform a common function.
Organ
A collection of tissues that carry out a specialized function of the body.
Organ System
A group of organs that work together to perform body functions.
Organism
A living thing.
Homeostasis
Steady internal conditions when external conditions change.
excretory system
removes solid, liquid, and, gas waste materials from the body.
respiratory system
exchanges gases between the body and the environment
circulatory system
it transports gases nutrients waste and other substances throughout the body.
lymphatic system
removes excess fluid from around organs produces white blood cells and absorbs and transports fats.
immunity
the resistance to the specific pathogens or disease causing agents
skeletal system
protects internal organs provide support helps the body move and stores minerals
muscular system
helps the body move
