120 days · All Facts

120 days
Healthy red blood cells circulate for up to about 120 days before the spleen and liver clear them.
SrcNCBI — Blood Groups and Red Cell Antigens

Next evidence →all five tastes everywhereThe tongue taste map is a myth — you can sense all five tastes everywhere on the tongue.

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red blood cellsThe spleen filters blood in its red pulp — trapping and recycling aging or damaged red blood cells.
2–3 million red blood cells every secondBone marrow releases about 2–3 million red blood cells every second into circulation.
hiccupsThe diaphragm is the main muscle of breathing — and sudden spasms of it cause hiccups.
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