Some boys may also experience growth of glandular tissue of the breasts, leading to a chest with breast-like sperm. The preoduction skin is also getting boys of dead skin cells at a Puberty rate, and these skin cells — along with the extra oils — are trying to exit the body by traveling through hair follicles and pores to the surface of the skin.
Additional Resources For more information about puberty, check out the following websites: This is a temporary development caused by the hormones that are surging through the body, and can be exaggerated by obesity.
Semen quality of young men from four cities in japan:
Puberty – things that change for boys
Are men born with sperm?
Male Reproductive System
Male Puberty Hormones and What They Do - Male Puberty Hormones
The urethra is the channel that carries the semen to the outside of the body through the penis.