Q: Fact: white blood cell destroys pathogens in the body
Question: How can you get your hands on white blood cells?

A: pop a pustule

Q: Fact: a pulley is used for lifting objects
Question: A mechanism that a ____ uses is a ____

A: crane; pulley

Q: Fact: national parks limit hunting
Question: It is illegal to kill animals in

A: Yosemite

Q: Fact: microorganisms cause food to spoil
Question: A woman leaves some meat on the counter, and bacteria begins to quickly grow on the surface. This bacteria may cause

A:
turned food