close view mosquito sucking blood |
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| Mosquitoes suck blood using needle-shaped mouthparts called proboscises, which they use to pierce the skin and reach blood vessels. When sucking blood, mosquitoes inject saliva containing anticoagulant compounds to prevent blood clotting and facilitate the sucking process. This saliva then triggers an immune response, which perceives it as a foreign substance, causing itching and the appearance of hives on the skin. Only female mosquitoes suck blood, as they need the protein and iron from blood to produce eggs, not as a source of nutrition for their own survival. |
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