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Circulatory and pulmonary systems

4 videos
As humans, we really like breathing oxygen. That's because the cells in our body will die if they don't get oxygen to function in a reasonable amount of time. This tutorials describes how we use the lungs to exchange gasses between our blood and the atmosphere and how the oxygen is then pumped through the body by way of blood and the circulatory system.

The lungs and pulmonary system

VIDEO 20:33 minutes
The pulmonary system including the lungs, larynx, trachea, bronchi, bronchioles, alveoli and thoracic diaphragm

Red blood cells

VIDEO 16:30 minutes
Oxygen uptake by hemoglobin in red blood cells

Circulatory system and the heart

VIDEO 14:57 minutes
Introduction to the circulatory system and the heart


VIDEO 14:34 minutes
Hemoglobin and its role in the circulatory system