Excretoty system worksheet

1. EXCRETORY SYSTEM
SEVENTH GRADE.
FIRST TERM.
Guided stage.
TOPIC II
1. Label the structures of the urinary system below.
2. What does the excretory system do?
3. How do the parts of the excretory system work together?
4. How does the excretory system interact with other body systems?
5. Define the word nephron in your own words.
6. Distinguish between ureter and urethra.
7. Use the term bladder in a sentence.
8. The kidneys filter wastes from the
A. Blood
B. Lungs
C. Intestine
D. skin
9. Construct a diagram of the urinary system showing the production and flow of urine.
10. Distinguish between the excretory functions of the respiratory system and the integumentary system.
11. What substances are eliminated by the body systems shown below?

2. 12. How do the digestive and excretory systems help maintain the body’s homeostasis?
From: iScience Grade 7, Davis County Edition. Page 462 to 497.