IB Biology: B3.1-Adaptations of the Lungs for Gas Exchange

Front

What are alveoli?

Back

Front

Why do alveoli have a thin epithelial layer?

Back

Front

What surrounds the alveoli to aid in gas exchange?

Back

Front

Why are alveoli roughly spherical in shape?

Back

Front

What covers the internal surface of the alveoli?

Back

Front

What is the function of surfactant in the alveoli?

Back

Front

Which cells secrete surfactant?

Back

Front

How does surfactant aid in gas exchange?

Back