Intro

Question 1

What are the 2 main purposes of the urinary system?

Answer 1

1. Rid the body of Nitrogen containing waste
   2.Kidneys are the main organ for regulation of water and ion balance within the body

Question 2

What do amino acids (AAs) make?

Answer 2

AAs make proteins and other Nitrogen containing moelcules

Question 3

What has to be removed from the amino acid when it gets oxidized or converted to another molecule?

Answer 3

the amino group (NH2) gets removed. those nitrogen compounds are TOXIC and have to be removed from body

Question 4

What are the three ways Nitrogen waste is excreted?

Answer 4

1.Ammonia (NH3)
2.Urea
3.Uric acid

Question 5

Ammonia (NH3)

Answer 5

-formed directly after the amino group is removed
-very little energy required to create ammonia
-NH3 is VERY toxic
-high soluble in water

Question 6

Urea

Answer 6

-less toxic than NH3
-produced in liver, requires more energy than ammonia does
-less toxic than NH3
-water soluble

Question 7

Uric acid

Answer 7

-the end product of protein digestion
-not very toxic or very soluble in water

Question 8

What can high levels of uric acid lead to?

Answer 8

deveopment of gout or kidney stones