Cells, Tissue, Organ, and Organ System Flashcards
In biology, the smallest unit that can perform all life processes.
Cells
Unspecialized cells that are able to develop into many different types of cells.
Stem cell
The process where cells become different types of cells.
Cell Differentiation
A group of similar cells that perform a common function.
Tissue
A collection of tissues that carry out a specialized function of the body.
Organ
A group of organs that work together to perform body functions.
Organ system
A living thing.
Organism
Steady internal conditions when external conditions change
Homeostasis
Removes solid, liquid, and gas waste materials from the body.
Excretory System
Exchanges gases between the body and the environment.
Respiratory System
It transports gases, nutrients, waste, and other substances throughout the body.
Circulatory System
Removes excess fluid from around organs, produces white blood cells, and absorbs and transports fats.
Lymphatic System
The resistances to specific pathogens or disease-causing agents.
Immunity
Protects internal organs, provides support, helps the body move, and stores minerals.
Skeletal System
Helps the body move.
Muscular System
