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.
Feedback Regulation Loops. The endocrine system plays an important role in homeostasis because hormones regulate the activity of body cells. The release of hormones into the blood is controlled by a stimulus. For example, the stimulus either causes an increase or a decrease in the amount of hormone secreted.eedback Regulation Loops. The endocrine system plays an important role in homeostasis because hormones regulate the activity of body cells. The release of hormones into the blood is controlled by a stimulus. For example, the stimulus either causes an increase or a decrease in the amount of hormone secreted.