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  1. Insects have what is called a tracheal system. They breathe air into ... gas exchange just like in human lungs. To say that all insects have open gas exchange through the exoskeleton is incorrect. Some aquatic insects...

    5 Answers · Health · 18/05/2007

  2. No. Insects that drink human blood don't inject blood into you anymore then you would throw up ...rather complex process, diseases that do it are specialists. Insects are cold blooded, and HIV doesn't last long outside of body...

    2 Answers · Health · 18/11/2010

  3. ... yet to be a single recorded case of HIV contracted by insect bite. Now, that said... in response to another poster, 'd love to see...

    3 Answers · Health · 31/03/2011

  4. .... If you are experiencing inflammation at the site of the insect bite then you are likely having an allergic reaction to proteins...

    3 Answers · Health · 27/06/2008

  5. Your irritation could be other things, besides an insect bite, although I suppose some insect bites could cause...treatable, but without treatment, serious) and it can look like an insect bite, but begins to spread, swelling of the skin...

    1 Answers · Health · 27/02/2009

  6. The main attractant for blood feeding insects is carbon dioxide, the gas we breath out as a waste product of our respiration...

    2 Answers · Health · 04/09/2007

  7. ...you have described is a black fly - they have one of the worst insect bites around - so I would suspect that the fly you're seeing...

    4 Answers · Health · 15/08/2007

  8. Insect bites might appear at any place which can induce minor or main health problems...

    1 Answers · Health · 29/09/2011

  9. ... results of experiments and observations of insect biting behavior indicate that when an insect bites a person, it does...

    6 Answers · Health · 19/10/2007

  10. Insects are subject to diseases just like humans are. The...

    1 Answers · Health · 29/03/2014

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