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Chart of Organ Systems

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					                     Human Body Systems


Systems         Main Role in the Body                        Major Organs
                Transports oxygen, nutrients, and other
Circulatory     needed materials to cells; transports        Heart, blood vessels, blood
                wastes away from cells.
                Breaks down food into nutrients the body     Mouth (tongue, teeth, salivary
                can use; disposes of solid waste.            glands), pharynx, esophagus,
                                                             stomach, small intestine, large
Digestive
                                                             intestine, rectum, liver, pancreas,
                                                             gall bladder
                Secretes hormones to regulate body           Endocrine glands: pituitary,
                functions; coordinates other organ systems   hypothalamus, pineal, thymus,
Endocrine                                                    thyroid, parathyroid, adrenals,
                                                             pancreatic islets, testes (males),
                                                             ovaries (females)
                Protects against disease                     Lymph nodes, lymph vessels, white
Immune                                                       blood cells
                Provides a barrier between the body and
Integumentary   the external environment                     Skin, hair, nails

                Moves the body, moves materials through      Skeletal muscles, tendons; smooth
Muscular        the body                                     muscle

                Detects and responds to changes in the
                environment transmits information as         Brain, spinal cord, nerves
Nervous
                electrochemical impulses throughout the
                body
                                                             Males: testes, prostate gland, penis
                Can produce off spring                       vas deferens
Reproductive
                                                             Females: ovaries, fallopian tubes,
                                                             vagina uterus
                Exchanges oxygen and carbon dioxide
Respiratory     between the body and the external            Nose, pharynx, larynx, trachea,
                enviorment                                   bronchi, lungs
                Moves and support body; protects internal
Skeletal        organs                                       Bones, cartilage, ligaments

                                                             Kidneys, bladder, ureters, urethra
Urinary         Removes wastes
Human Body Systems
 Human Body Systems

				
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posted:11/2/2011
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