Problem: What is the last name of sisters Kourtney and Khloe?
Answer: kardashian

Problem: 'Catriona', also known as 'David Balfour', was the sequel to which novel?
Answer: kidnapped

Problem: Deciduous dentition, seen in children, is better known by what name ?
Answer: milk teeth

Problem: What do most humans lose 15 million of every second?
Answer:
blood cells