Thyroid 101. Located above the Adam's apple, your thyroid produces thyroid hormone (TH), which regulates, among other things, your body's temperature, metabolism, and heartbeat. Things can start to go wrong when your thyroid is under- or over-active. If it's sluggish, it produces too little TH; amped-up and it produces too much.
yes but what is it to you. As with most fish, perch fish do not have eyelids. They are, however, covered by a layer of transparent integument or coating to keep the eye protected.no a perch fish does not have eyelids but they have viginas.ome do but alot of them don't. Some like the leopard geckos, fat tail geckos, cat geckos, and more do have eyelids. Crested geckos, tokay geckos, banana geckos, and more do n â¦ ot have eyelids. The ones that don't have eyelids lick their eyes to keep them moist and clean.
Perch are a common freshwater fish, and popular among fishermen. There are different species around the world, and the yellow and white varieties are found in the United States. Perch is one of the most popular panfish to eat, and is very sweet and flavorful. Perch are normally about 7 to 9 inches long, with any that reach 10 or more inches called jumbos..