Explore Human Body
Learn how organs, bones, muscles, blood and body systems work together. Questions cover anatomy, basic physiology and the senses.
People, places and ideas to know
The heart pumps blood, the lungs exchange gases and the brain coordinates the nervous system. An adult human skeleton typically has 206 bones, though the number can vary. Know the roles of major organs rather than relying only on their locations.
Topics in this quiz
- Organs and systems
- Bones and muscles
- Blood and circulation
- Brain and senses
How the quiz works
Each round contains 15 timed multiple-choice questions. Score at least 10 out of 15 to unlock the next round. Later rounds become more challenging and award more points, while the fifth and final round tests whether you can beat the timer.
Learn while you play
Answers are followed by immediate feedback, helping you recognise what you know and what to revisit. Registered players can save their progress, improve their scores and compete on the World Quiz leaderboard.