Is when several processes on a computer system are distributed across different processors and executed simultaneously, generally to speed up processing.

Parallel processing

Explanation:

Parallel processing also known as parallel computing is a computing process which involve breaking up and distribution of program task so as to run on several processors which are then executed simultaneously in order to enable the process come to completion in lesser time, and this can be only accomplish on system with two or more processors.

Puberty stage include different types of changes including cognitive (emotional), physical (voice, pubic hair, genitalia, etc.) and physiological (synthesis of sex steroid hormones) modifications

Explanation:

Physical puberty changes in girls occur from ages 10  to 14 and they are associated with the growth of pubic and underarm hair, breast development, and the first menstrual period (known as menarche). In boys, puberty occurs from ages 10 to 20, being this period associated with the growth of the testicles, the growth of pubic hair, changes in the voice, presence of sperms in the seminal fluid, etc.

Puberty hormones:  

     - Boys and girls: gonadotrophin-releasing hormone (GnRH) required for the production of Follicle Stimulating (FSH) and Luteinizing (LH) hormones

     -Boys: testosterone  

     -Girls: estrogen