Biology for IGCSE & O level - Excretion In Humans (Section 1 - No. 10)
What happens to glucose and amino acids in the kidney tubules?
They are filtered out and excreted in urine.
They are secreted into the urine.
They are reabsorbed into the blood.
They are broken down into urea.
Explanation
Glucose and amino acids are useful substances that are reabsorbed from the kidney tubules back into the blood.
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