REMOVING WASTE PRODUCTS & THE HUMAN KIDNEY [B12.2 & B12.3]

Question 1

carbon dioxide

Answer 1

CO2 diffuses out of body cells into the blood, diffuses into the alveoli in the lungs, and is exhaled out.

Question 2

urea production

Answer 2

produced by the breakdown of excess amino acids into ammonia in the liver. the ammonia is then turned immediately into urea

Question 3

urea removal

Answer 3

filtered out of blood by kidney, and passed out of body via urine