What is this?
The Heart Activity Cycle is the amazing way your heart continuously pumps blood throughout your entire body. It shows how your heart muscles squeeze and relax to move blood, bringing oxygen and nutrients to every part of you.
Key Parts to Explore
Right Atrium
This is the top-right chamber that receives all the used-up blood returning from your body.
Left Atrium
This top-left chamber collects fresh, oxygen-rich blood that has just come back from your lungs.
Right Ventricle
This powerful bottom-right chamber pumps the used-up blood to your lungs to get new oxygen.
Left Ventricle
This is the strongest bottom-left chamber, and it pumps oxygen-rich blood out to your whole body.
Did You Know?
Did you know your heart beats over 100,000 times a day, pumping enough blood to fill a small swimming pool in just one year!
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