2. The arrow in the diagram below shows where blood enters the heart
through the atrium after coming from the lungs. Which best
describes the
function of this blood entering the heart?
The blood is carrying oxygen that it absorbed as it passed through
the lungs.
B The blood is carrying carbon dioxide that it absorbed as it passed
through the lungs.
C The blood is carrying nutrients that it absorbed as it passed through
the small intestine.
D The blood is carrying capillaries that it absorbed as it passed
through the stomach
.