Welcome to Oakwood ISD. Welcome to the Internet home of Oakwood Independent School District, which includes Oakwood High School and Oakwood Elementary School. Located in the east Texas county of Leon, we are a close-knit, rural community, nestled in the woods just west of the Trinity River. At OISD, our studentsâ success is our only priority. We are Dedicated to Excellence! Please use this website to get to know us and learn about the excellent programs we have to offer.
Their testes function best at temperatures lower than their core body temperature. Their testes are located outside of the body, suspended by the spermatic cord within the scrotum. The testes of the non-boreotherian mammals such as the monotremes, armadillos, sloths, elephants remain within the abdomen.
Testicles might be outside the body because temperature influences the sex of human children. A temperature-sensitive gender switch that makes hot sperm male could be a relic from our evolutionary past, argue John McLachlan and Helen Storey, citing evidence that more males are born in hot climates.Temperature determines sex in many reptiles.For example, alligators that develop at or below 30 ÂºC turn out to be female, whereas hotter eggs yield males. Such a system wouldn't work in mammals: they maintain a constant body temperature and carry their young within.or example, it might be just as easy to move the temperature switch to a hotter point as to avoid it by moving testicles outside the body. But the idea that the sex switch is still there is testable, argues McLachlan.