All quizzes

The human body quiz

Organs, senses, food and nutrients, and how diseases like malaria spread. Written for every age — if you choose another level, the nearest questions are used.

The kind of thing you'll be asked

Examples only — your own questions are built fresh, with different names and numbers every time.

  • Which vitamin does the skin make when it is in sunlight?

    • Vitamin B
    • Vitamin C
    • Vitamin D
    • Vitamin A

    Answer: Vitamin D — Sunlight on the skin makes vitamin D, which helps build strong bones.

  • What does a vaccine do?

    • Replaces the need for healthy food
    • Helps the body learn to fight a disease before you catch it
    • Kills all the germs in a room
    • Cures any illness straight away

    Answer: Helps the body learn to fight a disease before you catch it — A vaccine trains the body's defences, so they are ready if the real germ arrives.

  • What is the largest organ of the human body?

    • The heart
    • The brain
    • The liver
    • The skin

    Answer: The skin — The skin covers the whole body and protects it from germs, heat and water loss.