Health · Facts & sources
4 sourced facts about the human body, each with the context behind the number. 4 more are in today's round and appear here after it closes.
Answer68.9 inches (about 5'9")
This figure comes from the CDC's most recent nationally representative body measurement data for U.S. adults ages 20 and up.
Source: CDC, National Center for Health Statistics (2023) cdc.gov
Answerover 270 bones
As infants grow, many of these bones gradually fuse, bringing the adult total down to 206.
Source: Wikipedia, Skeleton (2024) en.wikipedia.org
Answerabout 30 trillion cells
The body is also estimated to host roughly 38 trillion bacteria, meaning microbial cells actually outnumber human ones.
Source: Wikipedia, Human body (2024) en.wikipedia.org
Answerabout 150 quarts (170 liters)
Almost all of that filtered fluid is reabsorbed into the bloodstream; only 1 to 2 quarts leave the body daily as urine.
Source: Wikipedia, Human body (2024) en.wikipedia.org