red blood cells
CulturalExample Sentences
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Researchers found that these cells, called macrophages, accumulate iron while breaking down old red blood cells.
From Science Daily • May 31, 2026
Mast cells appear to have evolved from macrophages, while early versions of T cells and red blood cells later emerged from mast cells.
From Science Daily • May 27, 2026
Once you donate blood, it is taken to a lab, where it is separated into three components: platelets, red blood cells, and plasma.
From Slate • May 9, 2026
The common thread is that malignant cells overtake the marrow—the tissue that produces white blood cells to fight infection, red blood cells to carry oxygen, and platelets to prevent bleeding.
From The Wall Street Journal • Apr. 19, 2026
It bonds to your red blood cells like oxygen, but unlike oxygen, it doesn’t let your blood cells go.
From "Dry" by Neal Shusterman and Jarrod Shusterman
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.