Educational worksheet on the human excretory system featuring diagrams, multiple-choice questions, and a crossword puzzle.

Human Excretory System Worksheet with questions, diagram, and crossword puzzle.

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- Q1: c) Removal of waste and extra fluid
- Q2: d) Nephron
- Q3: (Labeling from top to bottom on the left side of the diagram: Ureter, Urinary Bladder; Labeling from top to bottom on the right side of the diagram: Kidney, Ureter)
- Q4: a) Ureter
- Q5: b) Liver
- Q6: c) Urethra
- Q7: b) All the metabolic wastes are excreted by the kidney.
- Q8: d) Red blood cells
- Q9: a) Renal Veins
- Q10: b) Renal Arteries
- Q11: c) Stomach
- Q12: a) Skin
- Q13: a) Skin
- Q14: b) Carbon dioxide and Water
- Q15: d) Pneumonia
- Crossword Puzzle Answers:
- Across: 1. Ureter, 2. Urethra, 3. Nephron, 4. Filtration, 5. Homeostasis, 6. Liver, 7. Sweat, 8. Lungs, 9. Kidney, 10. Bladder, 11. Excretion, 12. Urine
- Down: 1. Ureter, 2. Renal, 3. Nephron, 4. Filtration, 5. Homeostasis, 6. Liver, 7. Sweat, 8. Lungs, 9. Kidney, 10. Bladder, 11. Excretion, 12. Urine

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