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5 Cards in this Set

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  • Back
What is the level of organization of the human body?
Atom, Molecule, Macromolecule, organelle, cell, tissue, organ, organ system, organism
in human cells; carry on specific activities. Composed of aggregates of large molecules
Describe the Characteristics of life (first 5)
-Movement: Change in position of body / body part
-Responsiveness: Reaction to a change taking place inside /outside body
-Growth: increase in body size, w/out change in shape
-Reproduction: Produce new organisms / cells
-Respiration: Obtaining O2, removing CO2, releasing energy from food
List the characteristics of life?
Movement, responsiveness, growth, reproduction, respiration, digestion, absorption, circulation, assimilation, excretion, (metabolism)
Describe remaining characteristics of life
Digestion: breakdown of food into simpler forms that can be absorbed and used
Absorption; passage of substances through membranes & into body fluids
Circulation: Movement of substances from place to place in body fluids
Assimilation: Changing of absorbed subs into chem. different forms
Excretion: removal of wastes
Taken together: METABOLISM