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?