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Hemolymph fills all of the interior (the hemocoel) of the animal's body and surrounds all cells. It contains hemocyanin, a copper-based protein that turns blue when oxygenated, instead of the iron-based hemoglobin in red blood cells found in vertebrates, giving hemolymph a blue-green color rather than the red color of vertebrate blood. When not ...
Unlike the hemoglobin in red blood cells found in vertebrates, hemocyanins are not confined in blood cells, but are instead suspended directly in the hemolymph. Oxygenation causes a color change between the colorless Cu(I) deoxygenated form and the blue Cu(II) oxygenated form.
Hemolymph is composed of water, inorganic salts (mostly sodium, chloride, potassium, magnesium, and calcium), and organic compounds (mostly carbohydrates, proteins, and lipids). The primary oxygen transporter molecule is hemocyanin. There are free-floating cells, the hemocytes, within the hemolymph.
[25]: 558 The hemocoel contains hemolymph, a fluid that fills all parts of the cavity and serves as the animal's blood. [ 25 ] : 558 Rather than using iron -based hemoglobin , horseshoe crabs transport oxygen with a copper -based protein called hemocyanin , giving its blood a bright blue color.
The main function of insect blood, hemolymph, is that of transport and it bathes the insect's body organs. Making up usually less than 25% of an insect's body weight, it transports hormones, nutrients and wastes and has a role in osmoregulation, temperature control, immunity, storage (water, carbohydrates and fats) and skeletal function.
Hydrogen cyanide Gas: colorless, or pale blue Odor: bitter almonds < 1 minute Hyperventilation, loss of consciousness, and convulsions Choking Agents Chlorine Gas: yellow-green Odor: bleach Seconds to minutes Coughing, choking, nausea, vomiting, headache, dizziness, and difficulty breathing Cyanide Gas: colorless Odor: bitter almonds
Larvae of all species in genus Arachnocampa use modified and swollen Malpighian tubules to produce a blue-green light [7] attracting prey towards mucus-coated trap lines. In insects which feed on plant material containing noxious allelochemicals , Malpighian tubules also serve to rapidly excrete such compounds from the hemolymph.
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