#6.4 Human Physiology - Gas Exchange

What this episode covers

In this sub-unit we are going to explore the contents of: Understandings: Ventilation maintains concentration gradients of oxygen and carbon dioxide between air in alveoli and blood flowing in adjacent capillaries Air is carried to the lungs in the trachea and bronchi and then to the alveoli in bronchioles Type I pneumocytes are extremely thin alveolar cells that are adapted to carry out gas exchange Type II pneumocytes secrete a solution containing surfactant that creates a moist surface inside the alveoli to prevent the sides of the alveolus adhering to each other by reducing surface tension

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Frequently Asked Questions

How long is this episode of Simple IB Biology?

This episode is 17 minutes long.

When was this Simple IB Biology episode published?

This episode was published on October 13, 2023.

What is this episode about?

In this sub-unit we are going to explore the contents of: Understandings: Ventilation maintains concentration gradients of oxygen and carbon dioxide between air in alveoli and blood flowing in adjacent capillaries Air is carried to the lungs in...

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