body growth , wider shoulder and growth of public hair
When a male has an erection, several physical changes occur in the body. The blood vessels in the penis dilate, allowing increased blood flow to the area. This causes the penis to become larger, longer, and firmer. The testicles may also increase in size, and the scrotum may become tighter and pulled closer to the body.
slowing of metabolism, wrinkles, diminished eye sight
Why do males tend to have better cardiorespiratory fitness than females
sex-linked disorders
It can happen. It's not too big of a deal. If it keeps happening call a doctor.
This is an enlargement of the thyroid cartilage in the larynx. It changes with puberty, usually in males. It gets longer and causes the voice to deepen.
There is an increase in the size of the testis in males. There is onset of menstruation in girls.
pubic hair
In males: Assist emptying of urethra and assists in erection of penis. In females: Constricts vagina and assists in erection of clitoris
No.
For males, there is increase in size of testis. For females there is onset of menstruation.
Yes, Methadone can effect the sex in males making it difficult to achieve and erection.
No, in fact the opposite. Impotent males cannot get or hold an erection. If you are masturbating everyday then you are not impotent.
In males, the testis get bigger. In females, there is menstruation. Also the overall body growth is huge.
try to hide it , or think of something horrible
the physical socio-emotional changes in males and females during puberty are grow fast in height and in weight, growth of hair around the sex organ, appearance of acne or pimples, feeling of self conscousness and change in behavior or attitude.
A lot of the time, men will get "random" erections. It's normal, and it happens to all males.
Perfectly normal for males of that age