Where does the exchange of gases occur?

Explain how does the exchange of gases occur in plants across the surface of stems, roots and leaves.

How does the exchange of gases occur in respiration between blood and alveolar air.

Trees have neither nose nor nostrils. How does the exchange of gases occur in u7plants?

Where does exchange of gases takes place?

What is the main site of human respiratory system where exchange of gases occurs?

What is the main site of human respiratory system where exchange of gases occurs?

Assertion (A): Alveoli contain an extensive network of blood vessels. Reason (R): Alveoli is the site where exchange of gases occurs.

Name the region of lungs where exchange of gases occurs.