carbon dioxide

Media with this tag . . .

Save the Ocean "Schoolhouse Rock! Earth" - Song
Save the Ocean
Song 3:01 Save the Ocean "Schoolhouse Rock! Earth" A song which brings awareness to the effect fossil fuels and pollution has on the oceans and seas. Featuring a Rapping Walrus.
Tapping Trees for Maple Syrup
Tapping Trees for Maple Syrup
Clip 3:07 Tapping Trees for Vermont Maple Sap -The Bushee family has been tapping trees and producing pure Vermont maple syrup for nearly 100 years on the Bushee Family Maple Farm. Next time Vermont maple syrup is served for anything, children will know some of the steps it takes to get to the table.
Once upon a time... The heart (1 of 3)
Once upon a time... The heart (1 of 3)
Clip - 8:03 min This clip starts with a short history of our knowledge of the circulatory system. Then, the animated red cells show us their work inside the body and in the heart.
Once upon a time... The heart (3 of 3)
Once upon a time... The heart (3 of 3)
Clip - 7:51 min As the animated red cells continue their voyage through the human body, children learn about the circulatory system and the heart. They also learn the importance of a healthy life styles and the possible consequences of fatty diets and smoking.
Once upon a time... Breathing (1 of 3)
Once upon a time... Breathing (1 of 3)
Episode - 8:03 min (1 of 3) The alveoli of the lungs: this is where the blood brings the carbon dioxide it carried away from the cells and picks up the oxygen the cells need to do their work.