MCQ
What does melatonin affect from the following options :
- AMetabolism
- BPigmentation
- CMenstrual cycle
- ✓All of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$A.$ $AV$ bundle $B.$ Purkinje fibres
$C.$ $AV$ node $D.$ Bundle branches
$E.$ $SA$ node
Choose the correct sequence of pathway from the options given below