Given alongside is a diagram of the human heart showing its internal structures? Label the marked 1 to 6, and answer the following questions. (a) Which type of blood is carried by the blood vessel marked 2?
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Solution
The parts are:
Pulmonary artery.
Superior vena cava.
Pulmonary vein.
Right atrium.
Left atrium.
Left ventricle.
Superior vena cava (2) carries the deoxygenated blood from the upper parts of the body, such as the head and shoulders.