Question

WHY IS OUR BLOOD RED? 6
WHY ARE ARTERIES DIFFERENT FROM VEINS? 7​

Answer 1

Answer:

Blood is red due to the presence of haemoglobin.

Arteries are different from veins as arteries supply oxygenated blood while vein supply deoxygenated blood.

Answer 2

Answer:

Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that's crucial for carrying oxygen through your bloodstream

Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that's crucial for carrying oxygen through your bloodstreamArteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.

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