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27 Cards in this Set
- Front
- Back
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Skeletal System
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Protects and supports body organs, provides muscle attachment for movement, site of blood cell formation, and stores minerals
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Muscular System
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Produces movement, maintains posture, produces heat
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Nervous System
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fast-acting control, locomotion, movement of substances.
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Digestion System
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Break-down and absorbtion of nutrients
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Metabolism
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necessary life function, All chemical reactions in the body, produces energy and makes body structures
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Excretion
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neccesary life function, eliminates waste from metabolic reactions
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Reproduction
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neccesary life function, produces future generation
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Growth
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necessary life function, increases cell size and number of cells
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Nutrients
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Necessary for survival. Chemicals for energy and cell building, includes carbohydrates, proteins, lipids, vitamens, and minerals
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Oxygen
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Necessary to survive. required for chemical reactions
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Survival needs
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water, 60-80% of body weight, provides for metabolic reaction.
stable body tempurature atmospheric pressure must be appropriate |
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Negative Feedback
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includes most homeostatic control mechanisms, shuts off the origanal stimulus or reduces the intensity, works like a household thermostat
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Positive Feedback
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Increases the origanal stimulus to push the variable farther
only occurs in blood clotting and during birth of a baby |
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Why is there a language for Anatomy?
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to prevent misunderstandings, used for position, direction, regions, and structures
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Anterior
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front of the body
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Posterior
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back of the body
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Sagittal
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divides the body or organ into left and right parts
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midsagittal plane
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divides the body or organ in equal left and right parts
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Frontal Section
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divides the body or organ into anterior and posterior parts
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Transverse (or cross) section
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divides the body or organ into superior and inferior parts
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Dorsal body cavity
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cranial cavity (houses the brain)
spinal cavity (houses spinal cord) |
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Ventral body cavity
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Thoracic cavity housee heart, lungs
abdominopelvic cavity houses digestive system, and most urinary sytem organs |
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Endocrine System
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glands secrete hormones that regulate growth, reproduction, and nutrient use(metabolism) by body cells
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Cardiovascular System
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Transports blood through blood vessels, carries oxygen, carbon dioxide, nutrients, and wastes
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lymphatic system
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picks up and returns fluid leaked from blood vessels and returns them to blood to be refiltered.
houses white blood cells involved in immunity |
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Respiratory System
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Constantly supplies blood with oxygen, removes carbon dioxide,.
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Urinary Systems
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Eliminates nitrogenous wastes from the body, regulates water, and acid-base balence of blood
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