Cells, Tissue, Organ , and Organ System
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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 tissue that carries out a specialized function of the body
Organ system
A group of organ that work together to perform body function
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 environment
Circulatory system
It transports gases nutrients, waste and other substances throughout the body
Lymphatic system
Removes excess fluid form around organs produces white blood cells and absorbs and transports fats
Immunity
The resistance to specific pathogens or disease-causing agents
Skeletal system
Protects internal organs provides support helps the body move and stores mineral
Muscular system
helps the body move
Nervous system
a group of organs and specialized cells that detect process and responds to information