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21 Cards in this Set
- Front
- Back
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Anatomy |
The study of the structure of the human body |
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Physiology |
The study of the body functions |
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The Hierarchy of Structural Organization |
•Chemical level •Cellular level •Tissue level •Organ level •Organ system level •Organism |
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Chemical level |
•Atoms form molecules |
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Cellular level |
•Cells and their functional sub units |
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Tissue level
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•A group of cells performing acommon function |
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Organ level
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•A discrete structure made up ofmore than one tissue |
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Organ system level |
•Organs working together for acommon purpose |
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Organism |
•The result of all simpler levelsworking in unison |
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Integumentary System |
•Forms external body covering •Protects deeper tissues from injury •Synthesizes vitamin D •Site of cutaneous receptors (pain, pressure, etc.) and sweatand oil glands |
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Skeletal System |
•Protects and supports body organs •Provides a framework for muscles •Blood cells formed within 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 |
•Fast-acting control system •Responds to internal and external changes |
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Endocrine System |
•Glands secrete hormones that regulate ,Growth •Reproduction •Nutrient use |
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Cardiovascular System |
•Blood vessels transport blood •Blood carries oxygen and carbondioxide •It also carries nutrients andwastes •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 lymphaticsystem •Houses white blood cells (lymphocytes) •Mounts attack against foreign substancesin the body |
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Respiratory System
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•Keeps blood supplied with oxygen •Removes carbon dioxide •Gas exchange occurs through walls of airsacs in the lungs |
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Digestive System |
•Breaks down food into absorbable units •Indigestible foodstuffs eliminated asfeces |
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Urinary System |
•Eliminates nitrogenous wastes •Regulates water, electrolyte, andacid-base balance |
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Male & Female Reproductive Systems |
•Overall function is to produce offspring •Testes produce sperm and male sexhormones •Ovaries produce eggs and female sexhormones •Mammary glands produce milk |
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•Anatomical position |
a common visual reference point |
