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Characteristics of Life
Term | Definition |
---|---|
Characteristics of Life | The events inside the body which obtain, release and utilize energy are the main part of metabolism |
Movement | change in position of the body or of a body part; motion of an internal organ |
Responsiveness | reaction to change inside or outside the body |
Growth | increase in body size without change in shape |
Reproduction | production of new organisms and new cells |
Respiration | obtaining oxygen, removing carbon dioxide, and releasing energy from foods |
Digestion | breakdown of food substances into simpler forms that can be absorbed and used |
Absorption | passage of substances through membranes and into body fluids |
Circulation | Movement of substances in body fluids |
Assimilation | changing of absorbed substances into different chemical forms |
Excretion | removal of wastes produced by metabolic reactions |