How many bones are in the adult human body?
Answer206
Adults have 206 bones after some fuse in childhood.
Challenge · Facts & stats
Me facts & stats
7 fact-checked facts about self-knowledge, personal growth and fascinating facts about you, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What is the largest organ of the human body?
AnswerSkin
Skin covers and protects the whole body.
Going deeper
What is a typical resting heart rate range for adults?
Answer60 to 100 beats per minute
Most adults at rest fall within 60 to 100 bpm.
In Charles Duhigg's "habit loop," what are the three parts?
AnswerCue, routine, reward
The loop is cue, routine and reward.
What does the Latin word "ego" mean?
AnswerI
Ego is the Latin first-person pronoun "I".
Expert level
Who is quoted saying "The unexamined life is not worth living"?
AnswerSocrates
Plato records it in Socrates' defense speech, the Apology.
Roughly what share of the body's resting energy does the brain use?
AnswerAbout 20%
The brain is about 2% of body weight but uses about a fifth of its energy.
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