A bruise appears as a greenish spot in the skin because A) ...

[EAugust]

A bruise appears as a greenish spot in the skin because
 A) hemoglobin has leaked from the blood into the injury and hemoglobin has a green color.
  B) the heme group in the hemoglobin has broken down into biliverdin.
  C) bilirubin from iron recycling has built-up in the bruise.
  D) red blood cells lyse releasing biliverdin from inside.
  E) dead white blood cells accumulate at the site of injury.

Question 2

An important trace mineral that acts as an antioxidant is
 A) iron.
  B) cobalt.
  C) selenium.
  D) chromium.
  E) magnesium.

[Gabe]

Answer to Question 1

B

Answer to Question 2

C

[EAugust]

Great answer, keep it coming

[kjohnson]

Thanks for the timely response, appreciate it