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.
Stress. The nervous system regulates the homeostasis of the body either directly by sending messages to various parts of the body, or indirectly by relaying them via the hypothalamus, the pituitary gland, and other endocrine organs. Reaction to stress is particularly complex and affects many physiological mechanisms.