| List-$I$ | List-$II$ |
| $A.$ Heart | $I.$ Erythropoietin |
| $B.$ Kidney | $II.$ Aldosterone |
| $C.$ Gastro-intestinal tract | $III.$ Atrial natriuretic factor |
| $D.$ Adrenal Cortex | $IV.$ Secretin |
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