Basophils are the rarest white blood cells. They are full of dark grains that can sound an alarm when trouble shows up.
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Basophils are a kind of white blood cell. They are the rarest kind. Fewer than 1 in every 100 white blood cells is a basophil.
They are packed with big, dark blue-purple grains. Under a microscope, the grains are so thick that they can hide the nucleus.
Basophils are so rare that a scientist might look at a hundred white blood cells and not find a single one!
The grains hold alarm chemicals. One of them is called histamine.
Press Sound the alarm on the 3D model and watch the basophil release its alarm chemicals.
By Peekaboo Kidz. A fun video for kids.
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