Youngest girl to ever give birth, Linda Medina. She was 5 years, 7 months and 21 days old when she gave birth to a 6lb baby boy in 1933 ...wow - this is so disturbing
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