kidney

Question 1

how is waste products removed?

Answer 1

sweat
urine
and by exhaling from the lungs

Question 2

KIDNEY

Answer 2

1) first the blood passes through the capillaries ,small molecules are filtered out through the blood. Which includes ions , water ,urea and sugar glucose.
2) now ALL of the glucose ,SOME ions and some water are reabsorbed into the blood. THIS IS CALLED SELECTIVE RE-ABSORPTION

Question 3

HIGHER TIER

Answer 3

the liver breaks down the excess AMINO ACIDS and produces the chemical AMMONIA THIS IS CALLED DEAMINATION.
AMMONIA IS TOXIC CHEMICAL SO LIVER CONVERTS IT TO UREA