How many quarts of blood does the average adult heart pump through its chambers during an hour of just sitting quietly?
?
?
?
Spotted a mistake? Feel free to contact our
Customer
Care and report
it!
Popular Trivia Competitions!
How many countries will you recognize by their flags?
Can you tell the Russian flag from that of France? Only 5% Americans can answer all the questions of this challenging test correctly – let’s see if you’re one of them!
Do you know a lot about the Cities of the World?
Take this fun and educational quiz about the cities of the world! 90% players can’t answer all the questions correctly – can you?
Explore the world with Geography quiz!
Fun and educational quizzes on all the spheres of geography are here! Test your memory and learn something new today!