Urinary System

Question 1

Describe the stages of filtration in the kidney:

Answer 1

1- blood enters via afferent aterioles. Filtered by the Bowman’s capsule.

2- passed into the convoluted tubules. then Loop of Henle. Then distal convoluted tubules.

3- nephron straightens out into the collecting tubes. many tubes form pyramids which connect with calyces to collect the waste and pass to the ureter.

Question 2

What is the make up of urine (%)?

Answer 2

96% water
2% urea
2% other substances