Guarding

... patients have also received bone marrow transplants from their donors. Bone marrow produces the white blood cells that play a crucial role in guarding the body against foreign matter. The theory behind this new approach is that the white cells from the donor marrow will merge with the recipients's ...

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... fighting so they do not know how it is done. i'm not saying that male lions can always kill young elephants, because often times the mother is guarding it. but if they get lost or strangle behind, a Male lion might have a shot at it, despite it's size difference. Hope this helps! - Mr B

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