One of the roles of iron in the human body is to: A) promote the ...

[oliviahorn72]

One of the roles of iron in the human body is to:
 A) promote the breakdown of older bones.
  B) provide structural rigidity to proteins.
  C) transport oxygen and carbon dioxide in the blood.
  D) help in the elimination of water.

Question 2

_____ is an intestinal protein that regulates the amount of zinc released into the blood.
 A) Insulin
  B) Ceruloplasmin
  C) Metallothionine
  D) Myoglobin

[wshriver]

Answer to Question 1

C

Answer to Question 2

C

[oliviahorn72]

Thanks for the timely response, appreciate it

[rachel]

Great answer, keep it coming