The 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.he thyroid hormone consists of two components, thyroxine and iodine. This hormone increases the metabolism of most body cells. A deficiency of iodine in the diet leads to the enlargement of the thyroid gland, known as a simple goiter.
Pharmaceuticals with 30+ answers. It takes about 1 to 2 weeks to take effect. Also, when you are done with it, it takes about two weeks to get out of your system. Here is a detailed write-up about Celexa, which is Citalopram Hydrobromide. Citalopram Hydrobromide Monograph for Professionals - Drugs.com.
Best Answer: Citalopram is the generic for Celexa and has an average half-life of approx 35 hrs, which means that it takes that long on average for the level in your blood stream to drop to half its initial value.est Answer: Citalopram is the generic for Celexa and has an average half-life of approx 35 hrs, which means that it takes that long on average for the level in your blood stream to drop to half its initial value.