Stream TypeLIVE
- Chapters
Current Time 0:00
LIVE
Loaded: 0%
0:00
Progress: 0%
Seekbar Handle
/
Duration Time 0:00
Remaining Time -0:00
- Descriptions Off
- Subtitles Off
- Settings, opens captions settings dialog
- Captions Off
- English
- Español
- More Options
- Quality
- Audio Tracks
- Download
This is a modal window.
Captions Settings Dialog
Beginning of dialog window. Escape will cancel and close the window.
How Your Heart Works - Animation
Your heart is a pump that is responsible for delivering blood to all parts of your body. Arteries carry oxygen-rich blood from the lungs to nourish the cells, and veins transport oxygen-poor blood on its way back to the heart and lungs. This animation shows how the heart and circulatory system work.