Kidneys 2 - Anatomy & Nephrons

• Blood enters the kidneys via the renal arteries and leaves via the renal veins.
• B

  
• uterus

  
• E

  
• What does the urethra do


   carries urine from the bladder out of the body
• nephron

  
• Selective reabsorption is the process whereby certain molecules (e.g. ions, glucose, and amino acids), are reabsorbed from the filtrate, as it passes through the nephron.
• Selective reabsorption takes place throughout the nephron.

• How much urea is selectively reabsorbed? 

  None
• How many ions are selectively reabsorbed? 

  It depends on how many we already have in the blood
• How much glucose is selectively reabsorbed? 

  Almost all