Gas Exchange II - Mechanisms of Ventilation 1

How is ventilation achieved?

What gradient does this maintain?

What mechanical force is applied to achieve ventilation?

What is the key step in ventilation?

What is Boyle's Law?

Draw a diagram showing the process of Inspiration

INSPIRATION

EXPIRATION VOLUME CHANGES

EXPIRATION PRESSURE CHANGES

Why F.R.C and P.O.I known as the static property of the lungs?

What is compliance?

Dynamic Pressure-Volume Relationship, inspiration.

Name the types of resistance affecting inspiration (3)

Why do they assist?

Dynamic Pressure-Volume relationship - Expiration

Resistive forces for expiration

When can expiration be active?

Describe ventilation in birds

Describe ventilation in frogs

Describe airway movements in insects

Bellow