1. How many different bones are there in your skull – 26, 29 or 32?
2. Which organ produces insulin?
3. Can you name the two bones that are in a forearm?
4. True or false: The average life of a taste bud is 10 days?
5. On average, how many times does a human blink their eyes each year – 2.2 million, 4.2 million or 6.2 million?
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