Excretory System

Biology (Science Paper 3) · Chapter 9 · 3. Human Anatomy and Physiology

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Visual lesson Beta
1. Part 1: Excretion, the urinary system and the kidney14 slides
2. Part 2: The nephron and urine formation14 slides
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Notes Beta
5 sections with key terms, formulas and exam tips.
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Flashcards Beta
30 cards for quick recall of key terms and facts.
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70 board-style questions with instant checks: Multiple choice 28, Short answer 20, Assertion and reason 6, Case-based 6.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Excretory System · 40 marks · 60 min
- Chapter test (short) — Excretory System · 20 marks · 30 min
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Excretion and the excretory organs of the human body
The urinary system: kidneys, ureters, urinary bladder, urethra and renal blood vessels
External and internal structure of the kidney
Structure of a nephron (kidney tubule) and the Malpighian capsule
Urine formation: ultrafiltration, selective reabsorption and tubular secretion