Blood Displays a Bright Red Color When

Multiple Choice

Blood displays a bright red color when

A) oxygen is released by hemoglobin as blood travels through capillaries.
B) four oxygen molecules bind to hemoglobin to create oxyhemoglobin.
C) plasma albumin levels increase as blood goes through the lungs.
D) carbon dioxide binds to the heme group of hemoglobin.
E) deoxyhemoglobin is formed in blood plasma.