The specific color of blood is most closely associated to

A) Its pH

B) Its oxygen content

C) Its hematocrit

D) The age of the individual

B. It's oxygen content

Explanation:

The specific color of blood is most closely associated to its oxygen content because the more oxygen present in your blood, the more dark red your blood would be ...

If you have less oxygen in your blood, the blood wouldn't be as dark red ...