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21 Cards in this Set
- Front
- Back
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chemical level |
atoms form molecules |
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cellular level |
cells and their functional subuntis |
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tissue level |
a group of cells performing a common function |
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organ level |
a discrete structure made up of more than one tissue |
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organism level |
the result of al simpler levels working in unison |
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integumentary system |
forms external body covering protects deeper tissue from injury synthesizes vitamin D site of cutaneous receptors (pain, pressure) and sweat and oil glands |
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skeletal system |
protects and supports body organs provides a framework for muscles blood cells formed within the bones stores minerals |
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muscular system |
allows manipulation of environment locomotion facial expression maintains posture produces heat |
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nervous system |
fact-acting control system responds to internal and external changes |
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endocrine system |
glands secrete hormones that regulate growth, reproduction, and nutrient use |
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cardiovascular system |
blood vessels transport blood blood carries oxygen and carbon dioxide it also carries nutrients and wastes heart pumps blood through blood vessels |
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lymphatic system/immunity |
picks up fluid leaked from blood vessels disposes of debris in the lymphtic system houses white blood cells (lymphocytes) mounts attack against foreign substances in the body |
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respiratory system |
keeps blood supplied with oxygen removes carbon dioxide gas exchange occurs through walls of air sacs in the lungs |
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digestive system |
breaks down food into absorbable units indigestible foodstuffs eliminated as feces |
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urinary system |
eliminates nitrogenous wastes regulates water, electrolytes, and acid-base balance |
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male and female reproductive system |
overall function is to produce offspring testes produce sperm and male sex hormones ovaries produce eggs and female sex hormones mammary glands produce milk |
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frontal/coronal plane |
lies vertically and divides the body into anterior and posterior parts |
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transverse plane |
runs horizontally and divides body into superior and inferior parts |
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sagittal plane |
vertical; divides the body into right and left parts |
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midsagittal plane |
sagittal plane that runs along the midline |
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parasagittal plane |
a sagittal plane offset from the midline |
