Brainy Bits: Fun Nervous System Quiz for Curious Kids!

Discover how your brain, nerves, and senses work with playful questions—easy, quick, and perfect for kids 6+. Ready to get brainy and have fun?

  1. What organ sends messages to your whole body?
    1. Heart
    2. Brain
    3. Lungs
    4. Stomach
  2. What are the long threads that carry messages from the brain?
    1. Muscles
    2. Nerves
    3. Bones
    4. Skin
  3. Which part of the nervous system controls walking and talking without thinking?
    1. Kidney
    2. Heart
    3. Lungs
    4. Spinal cord
  4. What tiny cells help send messages in the brain?
    1. Neurons
    2. Red cells
    3. Skin cells
    4. Muscle cells
  5. What sense uses nerves to tell the brain about touch?
    1. Taste
    2. Hearing
    3. Smell
    4. Touch
  6. What protects the brain and spinal cord inside your head and back?
    1. Skull
    2. Ribcage
    3. Muscles
    4. Skin
  7. What happens when nerves send a very fast message for danger?
    1. Reflex
    2. Dream
    3. Memory
    4. Breath

Answers and explanations

  1. Question: What organ sends messages to your whole body?
    Answer: Brain
    Explanation: The brain is the control center that sends signals to move, think, and feel. The heart pumps blood, not nerve messages.
  2. Question: What are the long threads that carry messages from the brain?
    Answer: Nerves
    Explanation: Nerves are like wires that carry signals to and from the brain; muscles move but they don't carry signals over long distances.
  3. Question: Which part of the nervous system controls walking and talking without thinking?
    Answer: Spinal cord
    Explanation: The spinal cord helps quick reflexes and movement messages; the brain plans, but the cord sends fast signals down the body.
  4. Question: What tiny cells help send messages in the brain?
    Answer: Neurons
    Explanation: Neurons are special cells that pass electrical signals; blood cells carry oxygen, not messages.
  5. Question: What sense uses nerves to tell the brain about touch?
    Answer: Touch
    Explanation: Touch uses nerves in the skin to send signals to the brain; smell and sight use different receptors.
  6. Question: What protects the brain and spinal cord inside your head and back?
    Answer: Skull
    Explanation: The skull is the hard bone around the brain; muscles and skin sit outside it and do not protect like bone.
  7. Question: What happens when nerves send a very fast message for danger?
    Answer: Reflex
    Explanation: A reflex is an automatic quick reaction to keep you safe, like pulling your hand from something hot; thinking comes later.