The Body Trivia

Play The Body Trivia by Topic

Pick a topic to preview real questions and start a free game — every answer comes with an explanation, so you learn as you play. Every topic carries easy, medium and hard questions, so beginners and experts both get a real game.

• HHuman Anatomy

Sample The Body Quiz Questions

A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.

1. 1.The largest organ in the human body, this protective barrier weighs about 8 pounds and covers roughly 22 square feet in adults.

   Difficulty: Easy
   • Liver
   • Skin
   • Small intestine
   • Lungs

   From Human Anatomy Trivia →

2. 2.The colored part of your eye that controls how much light enters, this muscular ring gives each person their unique eye color.

   Difficulty: Medium
   • Pupil
   • Iris
   • Cornea
   • Retina

   From Human Anatomy Trivia →

3. 3.This protein complex attaches small polypeptide tags to damaged or unnecessary proteins, marking them for destruction by the proteasome.

   Difficulty: Hard
   • Lysosome
   • Autophagosome
   • E3 ubiquitin ligase
   • Chaperone protein

   From Human Anatomy Trivia →

4. 4.Adults have 206 of these hard structures that protect organs and provide the framework that allows movement.

   Difficulty: Easy
   • Muscles
   • Tendons
   • Bones
   • Ligaments

   From Human Anatomy Trivia →

5. 5.This region of your thinking organ coordinates balance, posture, and smooth voluntary movements—damage here causes stumbling and tremors.

   Difficulty: Medium
   • Cerebellum
   • Medulla oblongata
   • Thalamus
   • Basal ganglia

   From Human Anatomy Trivia →

6. 6.This region in your brainstem coordinates the pattern generators for walking, sending rhythmic signals to spinal motor neurons.

   Difficulty: Hard
   • Substantia nigra
   • Mesencephalic locomotor region
   • Red nucleus
   • Inferior olivary nucleus

   From Human Anatomy Trivia →

7. 7.This spongy organ in your chest allows oxygen to enter the blood and carbon dioxide to exit with each breath you take.

   Difficulty: Easy
   • Lungs
   • Heart
   • Diaphragm
   • Trachea

   From Human Anatomy Trivia →

8. 8.This waxy substance made by your body insulates nerve fibers, allowing electrical signals to travel up to 100 times faster.

   Difficulty: Medium
   • Keratin
   • Myelin
   • Collagen
   • Elastin

   From Human Anatomy Trivia →

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