organ systems Flashcards
cells
in biology, the smallest unit that can perform all life processes
stem cell
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
organs
a collection of tissues that carry out a specialized function of the body
organ systems
a group of organs that work together to perform body functions.
organism
a living thing
homeostasis
steady internal condition when extreme 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 transport gases nutrients waste and other substances throughout the body.
lymphatic system
removes excess fluid form around the organs, produces white blood cells, and absorbs and transport fats.
immunity
the resistances to specific pathogens or disease-causing agents
skeletal system
protects internal organs, provides support helps the body move and stores minerals
muscular system
helps the body move
