Q.

Why are the arteries red in colour?

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a

Hemoglobin

b

Aplastic anemia

c

Carboxyhemoglobin

d

Oxyhemoglobin

answer is B.

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Detailed Solution

Concept: Because  of the oxy-hemoglobin found in the erythrocytes, arterial blood is a brighter red inside the vessels. 

The blood channels that carry oxygen-rich blood from the heart to the body's tissues are called arteries. 

They don't carry a lot of blood, but they can handle a lot of stress and pressure from your blood flow.

Hence, option 2 is correct answer


 

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