Our blood is red (always!) due to the iron in hemoglobin.  What happens when oxygen binds to hemoglobin?Becomes oxyhemoglobin; turns bright redBecomes carbaminohemoglobin; turns blueBecomes hemoglobin; turns clearBecomes deoxyhemoglobin; turns dark red

Oxyhemoglobin appears _____ in color; deoxyhemoglobin appears _____.Multiple choice question.darker red; bright redbright red; darker red

What binds to the hemoglobin part of the red blood cell?oxygencarbon dioxide

Blood is red because of the presence of which molecule?Multiple choice question.PlasminAntibodiesHemoglobinThrombin

explain/understand how hemoglobin binds oxygen

The primary function of haemoglobin is to ... A. transport glucose. B. give RBCs their color. C. store iron. D. carry oxygen to peripheral tissues.