The Human Urinary System
Explore the functions and components of the human urinary system with this comprehensive worksheet for 7th-grade science students.
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The Human Urinary System
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Read each question carefully and answer to the best of your ability. Good luck!
1. What is the primary function of the urinary system?
Digesting food
Circulating blood
Filtering waste from blood
Breathing
2. Which organ is responsible for producing urine?
Liver
Stomach
Kidneys
Heart
3. The two tubes that carry urine from the kidneys to the bladder are called .
4. The muscular sac that stores urine before it is expelled from the body is the .
5. The tiny filtering units within the kidneys are known as .
6. The urinary system helps maintain the body's water and salt balance.
True
False
7. Urine is primarily composed of beneficial nutrients the body needs.
True
False
8. Briefly explain how the kidneys filter waste from the blood.
Match each part of the urinary system with its correct description.
9. Ureters
a. Stores urine
10. Bladder
b. Carries urine out of the body
11. Urethra
c. Tubes connecting kidneys to bladder