Answer:White blood cells, also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells. Leukocytes are found throughout the body, including the blood and lymphatic system.

Explanation:

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2 years ago

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Someone give me a powerful yet short message about habitat loss that would be a great way to end off a video. Thanks

dmitriy555 [2]

so, just imagine the homes they've lost

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