1. Define the following terms: (a) Excretion (b) Kidney (c) Micturition (d) Osmoregulation 2. Differentiate between the following pairs of terms: (a) Bowman's capsule and Malpighian capsule (structure) (b) Diuresis and Uremia (cause and problem) (c) Renal cortex and Renal medulla (location and appearance) (d) Renal pelvis and renal papilla (structure) (e) Urea and urine (1) Excretion and secretion (utility) 3. Give reason/explain : (a) Excretion is a necessary process of our body. (b) If we donate one kidney to a needy patient it would not cause any harm to us. (c) We urinate fewer times in summer than in winter and the urine passed is generally thicker 4. What is a uriniferous tubule? How does it function? 5. Why is it necessary to maintain a normal osmotic concentration of the blood? 6. Explain the terms ultrafiltration and selective absorption 7. What is dialysis ? Under what condition is it carried out​