Development of the human body used to approximately judge a child's age based on physical development. Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads: the ovaries in a girl, the testes in a boy. In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones, muscle, blood, skin, hair, breasts, and sex organs. Physical growth—height and weight—accelerates in the first half of puberty and is completed when an adult
Body farm and technical knowledge in the application of forensic science disciplines to crime scenes and criminal activities. The facility's predominant focus of study is the application of forensic sciences to the human body and the vast amount of evidence that can be gleaned from the careful recognition, collection, and preservation of that evidence. The facility is recognized by the Anatomical Board of Texas as a willed-body donor facility, and accepts human body donations for the purposes of scientific research. The facility trains students, law enforcement officials, academicians and forensic specialists. The facility is located within the Center for Biological Field Studies