Organ Systems
support Life functions

Remembering the definition of Life...
Life = "any complex, self-maintaining and self-reproducing system which exchanges matter and energy with the environment, and which is subject to death."

exchanges matter and energy with the environment, part 1

consume matter & energy from environment

digestive system

RETURN TO OUTLINE
© 2004-2005 TwoOldGuys ™

revised 19 aug 2006