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Mosquito Bite

A mosquito pushes a thin mouthpart into your skin. Its saliva keeps the bite from hurting and stops blood from thickening, then your body’s reaction makes it itch.

In the picture

  1. Needle-like mouthpart: pierces through the skin surface.
  2. Clear saliva droplets: enter the skin along the mouthpart.
  3. Pale immune cells: gather around the punctured spot.

Examples

  • A mosquito bite on your arm starts as a small bump.
  • The bump itches more when you scratch it.

Quiz: Mosquito Bite (Age 9)

  1. What does the mosquito’s mouthpart do?

    • It stops blood from thickening.
    • It makes the bite itch.
    • It pierces through your skin.
  2. What does the mosquito’s saliva do?

    • It pierces through your skin.
    • It makes the bite itch.
    • It stops the bite from hurting and keeps blood from thickening.
  3. What makes a mosquito bite itch?

    • The saliva stops the bite from hurting.
    • Your immune cells gather at the bite.
    • The mouthpart pierces the skin.

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Health, Age 9