How Does the Heart Pump Blood

What did humans historically not understand about the heart?

• How to transplant it

• How to draw it

• Its purpose

• Its color

Who gave up studying the heart due to its complexity?

• Leonardo da Vinci

• Isaac Newton

• Albert Einstein

• Marie Curie

What is the heart's main function?

• To control temperature

• To pump blood

• To filter air

• To absorb nutrients

What circulation pattern does mammalian blood follow?

• Figure-eight

• Circle

• Triangle

• Straight line

What can be observed when squeezing a heart filled with water?

• It changes color

• It becomes heavier

• Water squirts out of the pulmonary artery

• It sings