Khan Academy Static

Did you know that your right lung is larger than your left? That’s because the majority of your heart is on the left side of your body, and your left lung is slightly smaller to accommodate it. The lungs take in oxygen and help you breathe out carbon dioxide. Humans have an intricate respiratory system, with hundreds of millions of tiny air sacs called alveoli, where all of the magic happens. These videos will introduce you to the lungs, and show how they help you survive.

10729_The_lungs_and_pulmonary_system.html

10725_The_bronchial_tree.html

10726_Inhaling_and_exhaling.html

10723_Meet_the_lungs.html

10727_How_does_lung_volume_change_.html

10728_Thermoregulation_in_the_lungs.html

10724_People_and_plants.html