Cells, Tissue, Organ, and Organ system Flashcards
Cells
In bioligy, the smallest unit that can perform all life processes
Stem cell
Unspecialized cells that are able to develop into many different types of cell.
Cell differentiation
The process where cells become different typed 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 thang
Homeostasis
Steady internal conditions when external conditions change.
excretory system
Remove 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.
Lympahtie system
Removes excess fluid from around organs, produces with blood cells, and absorbs and transports fats.
Immunity
The resistances to specific pathogens or desaiase causeing agents.
Skeletal system
Protects internal organs, provides supports, helps the body move, and stores materials.
muscular system
Helps the body move.