The branch of medicine or biology that deals with the anatomy, functions, and organic disorders of nerves and the nervous system.
Puberty is when adolescents reach sexual maturity and become capable of reproduction.
<h3>What is an Adolescent?</h3>
An adolescent may be defined as a period of an individual's life who has expired the phase of childhood and are about to enter into the phase of adulthood.
During the time of adolescents, physical and emotional changes occur and are influenced by the endocrine system, which releases hormones into the bloodstream.
In adolescents, puberty characterizes the commencement of adolescence when the reproductive abilities of adolescents evolve.
Therefore, it is well described above.
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Motor oil or house paint is what needs special handling. i just usually throw away batteries. but i think the right answer is motor oil. it can effect the earth or ground water. <span />