The evidence on the Oxford English Corpus shows that people often mistakenly use lay when they should be using lie : X I want to lay down, itâll be more comfortable. â I want to lie downâ¦. [infinitive of lie (1)]. X The tortoise lays on its back, its belly baking in the hot sun.
View full size image. The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.
Endocrine: Each hormone is a chemical that control function of many different organs. Brain hormones send orders to organs to work. Brain secretes TSH to order thyroid to work to control whole body. Sexual hormones control brain and whole body, as does Insulin controls use of sugar in whole body (brain included).