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Major Organ Systems
Major Organ Systems of the Human Body
| System | Maj Organs or Functions |
|---|---|
| Circulatory | Heart, blood vessels, lymph nodes and vessels |
| Circulatory | Carries material through the body |
| Digestive | Breaks down food and prepares it for absorption into the blood; eliminate waste |
| Digestive | Mouth, esophagus, stomach, liver, pancreas, small and large intestines |
| Urinary (Excretory) | Kidneys, bladder, ureters, urethra |
| Urinary (Excretory) | Removes wastes from body and controls concentration of fluids |
| Immune | White blood cells, lymph nodes, lymph vessels, skin |
| Immune | Defend against pathogens and diseases |
| Integumentary | Skin, nails, hair |
| Integumentary | Protects; keeps fluids in the body; regulates body temperature |
| Muscular | Muscles |
| Muscular | Moves body parts; provides structure and support |
| Nervous | Brain, spinal cord, nerves, sensory organs |
| Respiratory | Nose, mouth, trachea, bronchi, lungs |
| Respiratory | Takes oxygen into the body and eliminates carbon dioxide |
| Skeletal | Bones |
| Skeletal | Supports; allows movement; protects; produces blood cells |
| Nervous | Detects and interprets information; controls most body functions |
| Endocrine | Endocrine glands |
| Endocrine | Controls many body processes by means of chemicals |