MCQ
$ANF$ (Anti Natriuretic Factor) is released by
- ALung
- BKidney
- ✓Heart
- DAll of the above

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$(1)$ Frog is a poikilotherm.
$(2)$ Frog does not have any coronary circulation.
$(3)$ Heart is “myogenic” in nature.
$(4)$ Heart is autoexcitable.
$P _{700}, P _{680}$, $NADP$ reductase, Hydrogen carrier, $PSI$, Water Splitting Complex, $PSII$