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Functions --> OS
Quiz yourself on Organ Systems by viewing their functions first.
| Major Functions | Organ System | Major Organs |
|---|---|---|
| Destroys and removes invading microbes and viruses from the body.Removes fat. Drains fluid, returning it back to the blood. | Immune and Lymphatic Systems | Lymph, lymph nodes, lymphatic vessels, spleen, thymus gland |
| Manufactures cells that allow reproduction. | Reproductive System | Female: ovaries, uterus, vagina, and mammary glandsMale: testes, seminal vesicle, and penis |
| Provides support for the body, protect delicate internal organs, and to provide attachment sites for organs. | Skeletal System | bones, cartilage, ligaments, tendons |
| Transports nutrients, gases, hormones, and waste through the body. | Circulatory (Cardiovascular) System | heart, blood vessels, arteries, blood |
| Provides movement. | Muscular System | skeletal muscles, smooth muscles (hollow organ muscles) |
| The "control center" of the body - relays electrical signals throughout the body | Nervous System | brain, spinal cord, peripheral nerves |
| Provides gas exchange between blood and environment. | Respiratory System | nose, trachea, lungs |
| Breaks down and absorbs nutrients. | Digestive System | mouth, esophagus, duodenum, stomach, pancreas, liver, gall bladder, large and small intestines, cecum, rectum, anus |
| Filters out cellular wastes, toxins, and excess water or nutrients. | Urinary System | kidneys, ureters, bladder, urethra |
| Relays chemical messages (via hormones) through the body. | Endocrine System | hypothalamus, pineal, pituitary, adrenal, pancreas, thyroid |
| Protects against environmental hazards, helps regulate body temperature, and detects sensory information | Integumentary System | Skin, hair, sweat glands, nails |