maintaining water control

Question 1

what is the function of the kidneys

F AND R

Answer 1

• filter and reabsorb
  useful substances from the blood
• produces urine to excrete excess water, ions, and urea

Question 2

how are excess amino acids excreted from the body
deaminated –> ammonia (where?)
ammonia –> urea
excreted

Answer 2

deaminated
to form ammonia in the liver
ammonia is converted to urea
then excreted