Question

6. Identify the part X in the given picture. ​

Answer 1

Answer:

Alveolar sac .

Explanation:

• Alveoli are the primary site of respiration where exchange of gases takes place.
• The space inside it is alveolar sac.
• it is endodermally derived.
• lined by simple squamous epithelial cells.

Answer 2

Answer:

I think it's alveoli sac