I think girls because they grow more mature and faster , than boys .
Not until something happens in boys and girls' bodies
Because boys grow tall faster then girls.
no but they seam to mature faster than boys
because its just natral.
Trick question.! Fingernails do not grow in either;
Boys.
Girls are better than boys because they developoed faster than the boys did
Some girls run faster than boys and some boys run faster than girls
Boys have faster reflexes!
NO!
The baby teeth of girls usually fall faster than those of the boys.