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5 Cards in this Set

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What is the level of organization of the human body?
Atom, Molecule, Macromolecule, organelle, cell, tissue, organ, organ system, organism
oganelle
in human cells; carry on specific activities. Composed of aggregates of large molecules
Describe the Characteristics of life (first 5)
MGRRR
-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?
MRGRR and DACAE
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