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Which of the following statements is correct?

(i)  The exchange of materials like oxygen, food, carbon dioxide between the blood and body cells takes place through capillaries.

(ii) Veins are very thick walled blood vessels which carry oxygenated blood from all parts the body to heart.

(iii) The pulmonary artery carries deoxygenated blood from right ventricles to the lungs.

(iv) Left atrium is connected to left ventricle through septum.

A) (i) and (ii)                      

B) (ii) and (iii)

C) (i) and (iii)         

D) (ii) and (iv)

E) None of these