Select the best possible choice:
Answer variants:
alcohol, drugs
voice box
puberty
menstruation
1. The discharge of blood in adolescent girls which generally occurs every 28–30 days is called (nstmnoiaretu) -  
 
2. The hoarseness in the voice of adolescent boys is due to enlarged (iceov xob) -
 
3. Secondary sexual characteristics are natural signs that the body is preparing for adulthood and mark the onset of (urtypeb) -
 
4.We should say NO to (lahoclo) and (srugd) as they are addictive.