The Kidneys

The Kidneys

• Kidneys filter to 'clean the blood'.
• Kidneys make urine by taking waste products out of the blood, substances are filtered out of the blood to the kidneys  - filtration.
• Useful substances like glucose, some ions and the right amount of water are reabsorbed back into the blood - selective reabsorbption.

Urea:

• Proteins can't be stored by the body so excess amino acids are converted to fats & carbohydrates, occurs in the liver - deamination.
• Ammonia is produced as a waste product - it is toxic so it's converted to urea in the liver.
• Urea is transported to…