The Urinary System (LC 2027) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What percentage of blood passes through kidneys every minute?
What percentage of blood passes through kidneys every minute?
20%
In which region of the kidney does filtration occur?
In which region of the kidney does filtration occur?
Cortex
In which region of the kidney does reabsorption occur?
In which region of the kidney does reabsorption occur?
Medulla
Which substances remain in blood during filtration?
Which substances remain in blood during filtration?
Blood cells and proteins
What percentage of filtered water is reabsorbed back into the bloodstream?
What percentage of filtered water is reabsorbed back into the bloodstream?
99%
What percentage of urine is water?
What percentage of urine is water?
95%
Where is urea produced and through what process?
Where is urea produced and through what process?
Liver through deamination
How many main components make up the urinary system?
How many main components make up the urinary system?
Four
What blood pH value do the kidneys maintain?
What blood pH value do the kidneys maintain?
At what age do people learn voluntary control of bladder sphincter muscles?
At what age do people learn voluntary control of bladder sphincter muscles?
Two years
How do kidneys regulate water on hot days?
How do kidneys regulate water on hot days?
Produce concentrated urine
Which blood vessel carries purified blood away from the kidney?
Which blood vessel carries purified blood away from the kidney?
Renal vein