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प्रश्न
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Can you answer why the pulmonary artery shown in Fig. is blue in colour?
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उत्तर
The pulmonary artery shown in Fig. is blue because of deoxygenated blood.
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संबंधित प्रश्न
Match the statements in Column A with those in Column B:

Describe the circulatory system of humans.
What is the function of spleen?
Describe the functions of the: Blood vessels
Name the organ from which oxygenated blood goes into the heart
Complete the following sentence with appropriate word:
Beside food, oxygen and waste materials, circulatory system transports ________ to various parts of the body.
All the waste products of the body are excreted through the circulatory system.
Analogy
Lungs: Respiratory system:: _______: Circulatory system.
______ prevent blood clotting.
Reduction in number of ______ can cause clotting disorder, leading to excessive loss of blood from the body.

