Question
Match the items listed in column I with appropriate items from column II.
| S.No. | column I | S.No. | column II |
| (A) | SA node | (i) | Fishes |
| (B) | Right AV aperture | (ii) | Right auricle |
| (C) | Interstitial | (iii) | Tricuspid valve |
| (D) | Single circulation | (iv) | Intercellular spaces |