Urea, a waste product from respiration, is formed when amino acids create ammonia, which is then converted.
Urea is a waste product of respiration; amino acids form ammonia, which is then converted to urea.
| Front | What is urea  | 
|---|---|
| Back | Urea is a waste product from respiration 
respiration creates amino acids 
Which form ammonia 
Which is converted to urea  | 
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