Given alongside is a diagram of the human heart showing its internal structure. Label the parts marked 1 to 6, and answer the following questions.

(a) Which type of blood is carried by the blood vessel marked 2?

(b) Name the main artery which takes the blood from heart to different parts of the body?

(c) Which chamber of the heart receives deoxygenated blood from the body?

The parts marked 1 to 6 are labelled below:

• 1 → Left pulmonary artery

• 2 → Superior vena cava

• 3 → Left pulmonary vein

• 4 → Right auricle

• 5 → Left ventricle

• 6 → Right ventricle

(a) Deoxygenated blood is carried by the blood vessel marked 2 (Superior vena cava).

(b) Aorta

(c) Right auricle