Urinary System
The human urinary system keeps chemicals, such as potassium, sodium and calcium, and water in balance in our body and removes a type of waste, called urea, from the blood. The urinary system comprises of two kidneys, two ureters, a bladder, and the urethra. The kidneys also help regulate the blood pressure and produce erythropoietin, which controls red blood cell production in the bone marrow.
Play Quiz Games :| Grades | Quiz Games (with special printable formats for classroom use) | ||
|---|---|---|---|
| 7th - 12th | Urinary System Quiz #1 | ||
| Urinary System Quiz #2 | |||
| Urinary System Quiz #3 | |||
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Science Games, Diagrams & Activities :  Label the Diagram of Human Urinary System |
 Flow Chart Games - Urinary System Flow |
Pictures & School Presentations : 
| Presentations on Urinary System : |
Science Videos & Lessons: (Reviewed by K-12 teachers) Urinary System Structure and Function Grade: 5 - 12 Lesson on urinary system - A basic review of the urinary structures and the major functions. 5:10 |
Urine Formation Grade: 5 - 12 Learn how our urinary system produces urine. 4:50 |
Urinary System - The Nephron Grade: 5 - 12 A presentation on renal anatomy, physiology. It explains the nephron - basic structural and functional unit of the kidney. 5:45 |
The Kidney and Nephron Grade: 5 - 12 Urinary system lesson - An overview of how the nephrons in the kidney filter blood, excrete waste, and reabsorb water and other molecules. 18:40 |
How the Body Works : Release of Urine Grade: 5 - 12 Find out how our nervous system controls the releases urine by acting on the muscular wall of the bladder, an internal and external sphincter. 0:40 |
Kidney, part 1 Grade: 5 - 12 A lesson on kidney. 1:40 |
Kidney, part 2 Grade: 5 - 12 1:35 |
A Journey through the Nephron Grade: 5 - 12 The lesson explains the functions of the nephron - the filtration of blood, reabsorption of water and minerals, and secretion of waste. 3:45 |
Renal System, part 1/4 Grade: 5 - 12 A lecture on urinary system organs, their structure and functions. 10:00 |
Renal System, part 2/4 Grade: 5 - 12 10:00 |
Renal System, part 3/4 Grade: 5 - 12 10:00 |
Renal System, part 4/4 Grade: 5 - 12 10:00 |
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Related science topics: Circulatory System, Digestive System, Nervous System, Respiratory System, Reproductive System, Skeletal System
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