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Integumentary System
- Protects against environmental harzards
- Helps regulate body temperature
- Provides sensory information
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Skeletal System
- Provides support and protection for other tissues
- Stores calcium and other minerals
- Forms blood cells
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Muscular System
- Provides movement
- Provides protection and support for other tissues
- Generates heat that maintains body temperature
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Nervous System
- Directs immediate responses to stimuli
- Coordinates or moderates activities of other organ systems
- Provides and interprets sensory information about external conditions
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Endocrine System
- Directs long-term changes in the activities of other organ systems
- Adjusts metabolic activity and energy use by the body
- Controls many structural and functional changes during development
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Cardiovascular System
- Distributes blood cells, water and dissolved materials, including nutrients, waste products, O2 and CO2
- Distributes heat and assists in control of body temperature
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Lymphoid System
- Defends against infection and disease
- Returns tissue fluid to bloodstream
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Digestive System
- Processes and digest food
- Absorbs and conserves water
- Absorbs nutrients(ions, water, and breakdown products of dietary sugars, protiens and fats)
- Stores energy reserves
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Respiratory System
- Delivers air to the alveoli( sites in lungs where gas exchange occurs)
- Provides O2 to bloodstream
- Removes CO2 from bloodstream
- Produces sounds for communication
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Urinary System
- Excretes waste products from blood
- Controls water balance by regulating volume of urine produced
- Stores urine prior to voluntary elimination
- Regulates blood ion concentrations and pH
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Reproductive System(male and female)
- (Male)- Produces male sex cells(sperm), suspending fluid and hormones
- Sexual intercourse
- (Female)- Produces female sex cells(oocytes) and hormones
- Supports developing embryo from conception to delivery
- Provides milk to nourish newborn infants
- Sexual intercourse
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