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 is composed of endocrine glands and specialized endocrine cells located throughout the body. Endocrine glands secrete minute amounts of chemical messengers called hormones into the bloodstream.he portion of each receptor molecule where a hormone binds is called a receptor site, and the shape and chemical characteristics of each receptor site allow only a specific type of hormone bind to it (specificity). Some hormones (epinephrine) can bind to a family of receptors that are structurally similar (p. 590).