We always think of the gnat as a flying animal. In fact, the gnat spends its developmental stages under water and gets out from under water through an exceptional "design" being provided with all the organs it needs.
The gnat starts to fly with special sensing systems at its disposal to detect the place of its prey. With these systems, it resembles a war plane loaded with detectors of heat, gas, dampness and odour. It even has an ability to "see in conformity with the temperature" that helps it find its prey even in pitch dark.
The "blood-sucking" technique of the gnat comes with an incredibly complex system. With its six-bladed cutting system, it cuts the skin like a saw. While the cutting process goes on, a secretion secreted on the wound benumbs the tissues and the person does not even realise that his blood is being sucked. This secretion, at the same time, prevents the clotting of the blood and secures the continuance of the sucking process.
With even one of these elements missing, the gnat will not be able to feed on blood and carry on its generation. With its exceptional design, even this tiny creature is an evident sign of Creation on its own. In the Quran, the gnat is accentuated as an example displaying the existence of Allah to the men of understanding:
"Surely Allah disdains not to set forth any parable - (that of) a (female) gnat or any thing above that; then as for those who believe, they know that it is the truth from their Lord, and as for those who disbelieve, they say: What is it that Allah means by this parable: He causes many to err by it and many He leads aright by it! but He does not cause to err by it (any) except the transgressors," (Surat al-Baqara, 26)
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