uk â /steÉr/ us â /ster/. B2 to look for a long time with the eyes wide open, especially when surprised, frightened, or thinking: Don't stare at people like that, it's rude. Chuck sat quietly for hours staring into the distance, thinking of what might have been.
1) A) adrenal B) thyroid C) thymus D) pancreas Answer: A 2) This endocrine gland lies outside the body cavities. It produces sex hormones. 2) A) ovary B) adrenal C) testis D) pituitary Answer: C 3) In addition to endocrine glands, some organs whose functions are primarily nonendocrine also produce hormones.
The endocrine system produces hormones that are instrumental in maintaining homeostasis and regulating reproduction and development. A hormone is a chemical messenger produced by a cell that effects specific change in the cellular activity of other cells (target cells).Unlike exocrine glands (which produce substances such as saliva, milk, stomach acid and digestive enzymes), endocrine glands do not secrete substances into ducts (tubes).he endocrine system is a control system of ductless glands that secrete hormones within specific organs. Hormones act as messengers, and are carried by the bloodstream to different cells in the body, which interpret these messages and act on them.