Why is blood that flows from lungs to the heart bright red rather than – McqOptions

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1.	Why is blood that flows from lungs to the heart bright red rather than dark red?
A.	\[\text{C}{{\text{O}}_{\text{2}}}\] makes it red
B.	Oxygen makes it red
C.	Gastric juices make it red
D.	Lungs add a pigment to blood
Answer» C. Gastric juices make it red

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