The answer would be "a person's skin"
hope this helps :)
It is stored in the hypothalamus, but is secreted by the pituitary gland. Hope this helped!
2 4 and 6 i took the course and that's right
It only allows certain things through, such as water. One way to remember it is to think about how you wouldn’t eat just anything, and the cell doesn’t let just anything in. I hope this helps