Know Your Heart!

Overview

Pop Quiz: Know Your Heart!

Question 1

About how many gallons of blood does an average adult heart pump every day?

Choices

900, 1,500, 2,000, or 5,000

Conclusion

The heart pumps about 2,000 gallons of blood in a day. That's more than a gallon every minute!

Question 2

True or false: When you sneeze, your heart stops.

Conclusion

That's false! Just before you sneeze, your blood pressure can go down and your heart rate can increase. But your heart doesn't stop.

Question 3

In what country was the first human heart transplant performed?

Choices

South Africa, the United States, Brazil, or Japan

Conclusion

In 1967, a surgical team in South Africa performed the world's first heart transplant. The patient lived for 18 days.