Question

1. Study the diagram and name the parts marked as A, B, C and D.
2. Write the function of A and C.

Answer 1

1. Name of parts:
   1. Pulmonary artery
   2. Pulonary veins
   3. Aorta
   4. Vena cava
2. Function of A: They transport the heart's deoxygenated blood to the lungs, where it is given oxygen.
   Function of C: They transport the heart's deoxygenated blood to the lungs, where it is given oxygen.