👉 Helen's red blood cells are tiny yet mighty, packed with hemoglobin to transport oxygen swiftly throughout her body. When she runs, their flexible membranes allow them to squeeze through capillaries at lightning speed.
👉 Helen's red blood cells are tiny yet mighty, packed with hemoglobin to transport oxygen swiftly throughout her body. When she runs, their flexible membranes allow them to squeeze through capillaries at lightning speed.
https://goldloadingpage.com/word-dictionary/helen blood cells
