Question

Observe the below diagram of human heart and label the parts 1 and 2
1) pulmonary artery, 2. vena cava
2) vena cava, 2. pulmonary artery
3) 1. pulmonary artery, 2. pulmonary vein
4) none of these

Answer 1

Answer:

1. pulmonary artery

2. superior vena cava

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