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Life Functions A_M1
34 cards·by jennybakalov
life functions
a series of highly organized and related activities which help living organisms to live,
grow, and maintain themselves
movement body system
muscle
movement
ability of organism to move
ingestion body system
digestive
ingestion
process by which an organism takes in food
digestion body system
digestive
digestion
breakdown of complex food molecules into simpler food molecules
transport body system
circulatory
transport
movement of necessary substances to, into, and around cell and of cellular products and
wastes out and away from cells
respiration body system
respiratory
respiration
burning or oxidation of food molecules in a cell to release energy, water, and carbon dioxide
synthesis body system
digestive
synthesis
combining simple molecules into more complex molecules to help an organism build new tissue
assimilation body system
digestive
assimilation
transformation of digested food molecules into living tissue for growth and cell repair
growth body system
skeletal
growth
enlargement of an organism due to synthesis and increase in the number and size of its cells
secretion body system
endocrine
secretion
formation and release of hormones from a cell or structure
excretion body system
urinary
excretion
removal of metabolic waste products from an organism
regulation body system
nervous
regulation
ability of an organism to respond to its environment so as to maintain a balanced state
(homeostasis)
reproduction body system
reproductive
reproduction
ability of an organism to produce offspring with similar characteristics
cells
specialized for specific functions
tissues
groups of specialized cells
organs
groups of specialized tissues
organism
comprised of organ systems working together
life function levels
chemical level, cellular level, tissue level, organ level, organ system level, and organism
level
chemical level
atoms combine to form molecules
cellular level
cells are made up of molecules
tissue level
tissues consist of similar types of cells
blood vessel
epithelial tissue, smooth muscle tissue, and connective tissue