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5 Cards in this Set

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Anatomy definition

Physiology definition

complementarity of structure and function

Anatomy- study of the structure of body parts and their relationship with one another, (gross, microscopic)

Physiology- study of the functions of the body focus on different systems, also at the cell level

complementarity of structure and function Structure and form= function

Levels of structural organization

Chemical level Atoms combine toform molecules

Cellular level Cells are made upof molecules

Tissue levelTissues consist ofsimilar types of cells

Organ levelOrgans are made up of different typesof tissues.

Organ system level Organ systems consist of differentorgans that work together closely

Organismal levelThe human organism is madeup of many organ systems.

organ systems










male/female reproductive-

Requirements of life

to be defined as life and organism must be able to do 8 things

Maintaining boundaries between internal and external environmentsSkinPlasma membranes

Movement (contractility)Of body parts (skeletal muscle)Of substances (cardiac and smooth muscle)

Responsiveness: The ability to sense and respond to stimuliWithdrawal reflex Control of breathing rate

DigestionBreakdown of ingested foodstuffsAbsorption of simple molecules into blood

Metabolism: All chemical reactions that occur in body cellsCatabolism (“breaking down”) and anabolism (“building up”)

Excretion: The removal of wastes from metabolism and digestion Urea, carbon dioxide, feces

Reproduction Cellular division for growth or repairProduction of offspring

Growth: Increase in size of a body part or of organism

survival needs (human)

NutrientsChemicals for energy and cell building

OxygenEssential for energy release ATP production

ATP- the "molecular unit of currency" of intracellular energy transfer.ATP transports chemical energy within cells for metabolism.

WaterMost abundant chemical in the bodySite of chemical reactions

Normal body temperatureAffects rate of chemical reactions

Appropriate atmospheric pressureFor adequate breathing and gas exchange in the lungs