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.
the perch IS dark olive green dorsally, with sides ranging from yellow to orange ventrally. The ventral fins are orange and red in color and become brilliant during the breeding season. The body is torpedo shaped (fusiform). Perch are a commercially important species and are marketed fresh or frozen; and eaten pan-fried, broiled or baked. External Dissection 1. Identify the different kinds of fins: caudal fin, anal fins, pelvic fins, pectoral fins, and dorsal fins. The perch is characterized by a dorsal fin which is