urea
Pronunciation
Noun
B2 Upper-intermediate
Quick answer
A waste substance made in the liver from broken-down proteins and removed from the body in urine.
Test yourself
Which word fits the gap? "The kidneys filter _____ out of the blood so it can leave the body in urine."
Answer: urea
In your own words, what does "urea" mean?
A waste substance made in the liver from broken-down proteins and removed from the body in urine.
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