Key term for OCR GCSE Biology A, used in Homeostasis.
A waste product formed from the breakdown of excess amino acids, which is not reabsorbed by the kidneys and is excreted in urine.
Urea appears in OCR GCSE Biology A revision content for Organism level systems, especially Homeostasis and Function of kidneys.
Organism level systems
Homeostasis • Function of kidneys
Scaling up
Supplying the cell • Transport in cells
Scaling up
The challenges of size • Red blood cells and plasma
Scaling up
The challenges of size • Substances transported
Create a free account to access OCR GCSE Biology A revision notes, track progress, and practise related key terms.
