With millions of pets in the world, there seems to be no shortage of fleas. Fleas can carry serious diseases that can infect humans and they have no regard for the health of their unwilling hosts. Do you know enough about fleas to get rid of them when you have an infestation? Take our quiz to learn more about the flea.
How much do you know about how car engines work? And how much do you know about how the English language works? And what about how guns work? How much do you know? Lucky for you, HowStuffWorks is about more than providing great answers about how the world works. We are also here to bring joy to your day with fun quizzes, compelling photography and fascinating listicles. Some of our content is about how stuff works. Some is about how much you know about how stuff works. And some is just for fun! Because, well, did you know that having fun is an important part of how your brain works? Well, it is! So keep reading!