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🫀 Human body trivia for kids - quiz with answers

Kids 8-12 · 12 questions

Your body is an amazing machine. Let's find out how well you know what is going on inside it!

Question 1 of 12 · Score 0

About how many bones does an adult human have?

📋 All questions with answers (for teachers and parents)
  1. About how many bones does an adult human have?
    Answer: 206. Adults have 206 bones; babies start with more, and some join together as they grow.
  2. What is the largest organ of the human body?
    Answer: Skin. Your skin covers your whole body and protects everything inside.
  3. Which organ pumps blood around your body?
    Answer: Heart. Your heart is a strong muscle that beats all day and night to move your blood.
  4. Which organs help you breathe?
    Answer: Lungs. Your lungs bring oxygen into your body and let carbon dioxide out.
  5. Where is the smallest bone in your body?
    Answer: In your ear. The stirrup bone deep inside your ear is about the size of a grain of rice.
  6. How many teeth does an adult usually have, including wisdom teeth?
    Answer: 32. Adults usually have 32 teeth, while kids have 20 baby teeth.
  7. Which blood cells carry oxygen around the body?
    Answer: Red blood cells. Red blood cells pick up oxygen in the lungs and deliver it everywhere.
  8. What carries messages between your brain and the rest of your body?
    Answer: Nerves. Nerves send signals back and forth very quickly, like the body's wiring.
  9. What is the colored part of your eye called?
    Answer: Iris. The iris is the colored ring, and the pupil is the black hole in its center.
  10. Where does digestion begin?
    Answer: In the mouth. Digestion starts in your mouth, when you chew and saliva starts breaking food down.
  11. Which bone protects your brain?
    Answer: Skull. Your skull is like a hard helmet around your brain.
  12. What protects your heart and lungs?
    Answer: Your rib cage. Your ribs form a cage of bones around your heart and lungs.

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