Cells,Tissue, Organ, Organ system Flashcards
cells
in biology, the smallest unit that can perform all life processes.
stem cells
cell differentiation
the process where cells become different cells.
tissue
a group of similar cells that preform 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 gasses, nutrients, waste, and other substances throughout the body
lymphatic system
removes excess fluids from around organs, produces white blood cells, and absorbs and transports flat.
immunity
the resistance to specific pathogens or disease
skeletal system
protects internal organs provides support helps the body move, and stores minerals
muscular system
helps body move
