- Description
- Additional information
Space explorer Zork wonders why earthlings huff and puff somuch when they exercise. On a very informative Earth visit, he discovers it’s because people need oxygen from the air to survive. Through compelling animation, young viewers learn how the lungs propel oxygen into the bloodstream and work to remove carbon dioxide from the blood.
10 minutes | Color
Space explorer Zork wonders why earthlings huff and puff somuch when they exercise. On a very informative Earth visit, he discovers it’s because people need oxygen from the air to survive. Through compelling animation, young viewers learn how the lungs propel oxygen into the bloodstream and work to remove carbon dioxide from the blood.
10 minutes | Color