BIOLOGY 1002 EXAM 3 2026 MOCK PAPER
SOLUTION SET COMPREHENSIVE NOTES
◉ Kidneys.
Answer: Organs that filter blood and produce urine
◉ Ureters.
Answer: Carry urine from kidneys to bladder
◉ Urinary bladder.
Answer: Stores urine
◉ Urethra.
Answer: Carries urine out of the body
◉ Nephron.
Answer: Functional unit of the kidney
◉ Urine.
Answer: Fluid containing wastes and excess water
,◉ Excretion.
Answer: Removal of metabolic wastes
◉ Osmoregulation.
Answer: Control of water and ion balance
◉ Order of urine flow.
Answer: Kidney → Ureter → Bladder → Urethra
◉ Filtration.
Answer: Movement of small molecules from blood into nephron
◉ Reabsorption.
Answer: Return of useful substances to blood
◉ Secretion.
Answer: Addition of wastes into filtrate
◉ Glomerulus.
Answer: Capillary cluster where filtration begins
◉ Bowman's capsule.
, Answer: Collects filtrate from glomerulus
◉ Loop of Henle.
Answer: Creates concentration gradient for water reabsorption
◉ Collecting duct.
Answer: Final pathway where urine concentration is adjusted
◉ Filtrate contents.
Answer: Water, glucose, ions, urea (no large proteins and no red or
white blood cells)
◉ Reabsorption location.
Answer: Mainly occurs in proximal tubule
◉ Secretion examples.
Answer: Hydrogen ions, drugs, toxins
◉ Renal cortex.
Answer: Outer kidney region where filtration occurs
◉ Renal medulla.
SOLUTION SET COMPREHENSIVE NOTES
◉ Kidneys.
Answer: Organs that filter blood and produce urine
◉ Ureters.
Answer: Carry urine from kidneys to bladder
◉ Urinary bladder.
Answer: Stores urine
◉ Urethra.
Answer: Carries urine out of the body
◉ Nephron.
Answer: Functional unit of the kidney
◉ Urine.
Answer: Fluid containing wastes and excess water
,◉ Excretion.
Answer: Removal of metabolic wastes
◉ Osmoregulation.
Answer: Control of water and ion balance
◉ Order of urine flow.
Answer: Kidney → Ureter → Bladder → Urethra
◉ Filtration.
Answer: Movement of small molecules from blood into nephron
◉ Reabsorption.
Answer: Return of useful substances to blood
◉ Secretion.
Answer: Addition of wastes into filtrate
◉ Glomerulus.
Answer: Capillary cluster where filtration begins
◉ Bowman's capsule.
, Answer: Collects filtrate from glomerulus
◉ Loop of Henle.
Answer: Creates concentration gradient for water reabsorption
◉ Collecting duct.
Answer: Final pathway where urine concentration is adjusted
◉ Filtrate contents.
Answer: Water, glucose, ions, urea (no large proteins and no red or
white blood cells)
◉ Reabsorption location.
Answer: Mainly occurs in proximal tubule
◉ Secretion examples.
Answer: Hydrogen ions, drugs, toxins
◉ Renal cortex.
Answer: Outer kidney region where filtration occurs
◉ Renal medulla.
