Hank takes us on a trip around the body - we follow the circulatory and respiratory systems as they deliver oxygen and remove carbon dioxide from cells, and help make it possible for our bodies to function.

In this video, we discuss how gas exchange occurs across the respiratory membrane at the alveoli and how this involves Type I Alveolar Cells.

Type II Alveolar Cells | Pulmonary Surfactant

Heart Anatomy

In this live-action program viewers will learn that during every moment of your life you are breathing in air and exhaling carbon dioxide through a process called gaseous exchange and it takes place in the Alveoli.

Students will...

Anatomy of breathing

Human Body for Kids engages young, inquisitive learners, while the depth of material gets older students ready for tests. Join Kevin and his friends to explore the respiratory system.

The human body is a wondrously complex machine made of flesh, bone, muscles, organs, blood vessels and highly specialized systems that function together to sustain life. This fascinating third part of The Human Body series examines the...