What does the heart do? How does it do that? Make your own working model!
What makes blood red? What else does blood do?
What does blood pressure mean? How is it measured?
Does a heart actually look like the drawings in books or the models?
What happens when the heart squeezes and relaxes?
How do our choices affect the heart and how can we help the heart do its job?
Where does the blood go when it leaves the heart? Where does it come back from?
What can go wrong with the heart and why does it happen?
What does the heart do and why is it so important?
What is a stethoscope and how is it used to listen to the heart?
Where does the blood go when it leaves the heart? Where does it come from when it returns? How does it all fit together?
How do EKGs work and what can they tell us?