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 System Glands and Hormones. The endocrine system is one of two systems that control and coordinate many functions to keep our bodies working in balance, called homeostasis. Our nervous system uses electrical impulses, the endocrine system uses chemicals called hormones.