A boys muscles and penis become thicker once he has begun puberty.
The testosterone is responsible for the thickening of hair. The hair on arms and legs becomes thicker. There is hair growth in the pubic area.
the answer to this question is puberty
Heifers tend to reach puberty by the time they are 8 to 15 months of age. Bulls will reach puberty by the time they are 10 to 20 months of age.
When in Puberty the boys penis will grow longer and thicker.
It starts when you reach puberty really. when you're chest becomes falter and girls can't keep their hands off you so really puberty starts at 12-13
There is no certain way to reach puberty fast. But a regular and healthy diet , regular exercise may help you to reach it fast.
When you reach puberty.
Reach puberty.
When you reach puberty you get your period
contraction
During puberty the body becomes sexually mature. This means that after puberty, the person is capable of reproduction.
Girls reach puberty earlier than boys at the age of 9-12 years. Boys reach puberty at the age of 12-14 years.