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Urinary System
7th Grade Unit 31
| Term | Definition |
|---|---|
| Excretory System | a group of organs in a living organism that work together to remove waste products and excess water from the body |
| Kidneys | a pair of organs that filter blood, remove waste, and regulate chemicals in the body |
| Ureters | thin tubes that carry urine from the kidneys to the bladder |
| Bladder | a muscular, balloon-shaped organ in the lower abdomen that stores urine |
| Urethra | The tube through which urine leaves the body. |
| Liver | A large organ located in the upper abdomen. The liver cleanses the blood and aids in digestion by secreting bile. |
| Lungs | One of a pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body. |
| Skin | the body's largest organ, made of layers of tissue that protect the body and regulate temperature |
| Dehydrated | a condition that occurs when the body loses too much water and other fluids |