MCQ
The contraceptive $‘SAHELI’$
- Ais a post -coital contraceptive
- Bincreases the concentration of estrogen and prevents ovulation in females.
- Cis an $IUD.$
- ✓blocks estrogen receptors in the uterus, preventing eggs from getting implanted
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$I.$ $PCT$ $II.$ $DCT$
$III.$ Loop of Henle $IV.$ Collecting duct
Which contributes most in maintaining $pH$ of blood?