Human Physiology: Functional Organization of the body; cell and membrane structure and function

Vocabulary definitions and functions

Chemical Level

atoms and molecules in the body

cell

basic structural and functional unit

tissue

groups of cells arising from common ancestor cells that work together to perform a particular function

organ

structure composed of two or more different types of tissues that have specific functions

system

several related organs that have a common function

organism

all parts of the body functioning together with one another