How do your hormones work? 2,560,208 views| Emma Bryce | TED-Ed • June 2018Share Save LikeRead transcript Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system wo...
Take, for instance, the thyroid and the two hormones it produces, triiodothyronine and thyroxine. These hormones travel to most of the body’s cells, where they influence how quickly those cells use energy and how rapidly they work. In turn, that regulates everything from breathing rate to he...
The chapter discusses the involvement of these hormones in the reproductive system and in nonreproductive physiologic systems. Estrogen (E) and progesterone (P) play significant role in both the endocrine and intracrine regulation of all aspects of female reproduction. Together they act at the level...
Her hormones are laying the groundwork for great unrest and change -- puberty is on its way. Puberty starts when a small gland inside the middle of the base of your brain (the hypothalamus) begins to distribute a chemical it has been sitting on for years and years. This chemical is ...
The hormones FSH and LH stimulateovulationand the production of estrogen. After ovulation, the remains of the follicle (corpusluteum) produce progesterone, in addition to estrogen. After pregnancy, the placenta also starts to produce progesterone, keeping its levels high and preventing ovulation during...
beneficial to the repair of the pelvic floor muscles, while yoga can be very effective in improving the blood supply to the pelvis. Scientific exercise can promote the rational deployment of hormones in pregnant women. If you want a healthy baby, you must adhere to the appropriate amount of ...
Geneticists have isolated some genes and hormones that are related to specific types of addiction. Scientists hope that by studying these differences, we’ll be able to totally cure addictions someday. Htr1b receptor gene: Mice that lack this gene like alcohol and cocaine more than those that ...
The spider's blood, called hemolymph, circulates oxygen, nutrients and hormones to the different organs in the body. Unlike humans, spiders have an open circulatory system. The spider's simple heart -- a tube surrounded by a muscle, with a one-way valve on each end -- pumps blood into...
releasing hormone (GnRH) agonists are medications used to relieve the symptoms ofendometriosisin adult women and delay the onset of central precocious puberty in children. GnRH agonists work by desensitizing the stimulatory effect of GnRH on thepituitary glandwhich secretes reproductive hormones in ...
These hormones cause the eyes to produce tears, effectively ridding them of the irritating substance. The third type of tears is emotional tears. It all starts in the cerebrum where sadness is registered. The endocrine system is then triggered to release hormones to the ocular area, which then...