cells, tissues, organ,and organ system Flashcards
cells
in biology the smallest unit that can perform all life processes.
stem cells
unspecialized cell that are able to develop into many diffrent types if cells.
cell differentiation
the process when cells become diffrent types of cells
tissue
A group of similar cells that performs a common function
organ
a collection of tissues that carry out a specialized function of the body.
organism
a living thing
homeostasis
stead internal conditions when external conditions change
excretory system
removes solids, liquid, and gas waste materials from the body
respiratory system
exchange of gas pf the body and environment
circulatory system
it transport gases nutrients, waste and substance throughout the body.
lymphatic system
removes excess fluids from around organs producing white blood cells, and absorbs and transport fats.
immunity
the resistance to specific pathogens or disease causing agents
skeletal system
protects internal organs helps the body move and stores minerals.
muscular system
helps the body move
nervous system
a group of organs and specialized cells that detect process and respond to information.