7.LS.4 Cells, Tissue, Organ, And Organ System Flashcards
Cells
In biology, the samllest unit that can preform all life processes.
Stem cell
Unspecialized cells that are able to develop into many different types of cells.
Cell Diferentiation
The process where cells become different types of cells.
Tissue
A group of similar cels that proform 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
Exchnges 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 trasprots fats.
Immunity
The resistances to spacific pathogens or disease-causing agents.
Skeletal System
Protects internal organs, provides support, helps the body move, and stores minerals.
Musular System
Helps the body move.
