I dont have a Sister in real life but I know someone who I see as my sister and despite us been a million miles away, and sometimes dont speak or communicate for months and I believe years, I know she will always be there like a true sister KIRSTEN..
The Endocrine System -- The endocrine system is made of 8 major glands, each of which secretes different types of hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep and mood, among other t