Question

why iching mosquito bites.​

Answer 1

Answer:

Their saliva contains an anticoagulant and proteins. The proteins are foreign substances that trigger the body's immune system. To fight them the body's immune system releases histamine, a compound that helps white blood cells get to the affected area. Histamine is what causes the itchiness, inflammation, and swelling.

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Answer 2

Answer:

Their saliva contains an anticoagulant and proteins. The proteins are foreign substances that trigger the body's immune system. To fight them the body's immune system releases histamine, a compound that helps white blood cells get to the affected area. Histamine is what causes the itchiness, inflammation, and swelling.