You can call it that. Actually they excrete a chemical into the hole they make with a type of blood thinner. This is what makes the bite itchy.
Yes, it does.
Mosquitos have a special enzyme in their saliva that prevents blood clotting. This allows them to suck the blood without stopping the flow. It is this that makes the mosquito bite itch.
No, they just are parasitistic as they suck your blood. They leave bumbs because they injected a toxin to stop blood clotting and keep the blood flowing. Some people may be allergic to them, but I doubt there are tons of people that are.
No, they eat mosquitos
because blood/spit contains cells
If you spit up blood you need medical treatment as soon as possible.
They spit blood out there eyes by putting their eyes behind their head and use heat to draw blood out their eyes.
no
Yes, go to the doctor and he will tell you what to do next. Spitting blood is a problem.
There are no Iguanas that 'spit blood'. I think you're referring to the horned lizard - which, as a defence mechanism, has the ability to rupture the blood vessels at the corner of its eyes - shooting a stream of blood at an attacker.
If you are spitting out blood while brushing your tongue, it could be a sign of gum disease, inflammation, or injury. It's best to see a dentist to determine the cause and receive appropriate treatment.
If there was blood in the mouth, they would probably spit it out if they didn't want it. They wouldn't do so for any other reason in common legend.
they use chewing tobacco and u have 2 spit it out