Alveoli

Question 1

Type 1 alveolar cells

Answer 1

• make most of the alveolus
• these are squamous epithelial cells

Question 2

type 2 alveolar cells

Answer 2

• few cuboidal cells amongst the type 1 cells
• these are the cells that secrete surfactant and antimicrobials

Question 3

what type of macrophages are present in alveoli

Answer 3

alveolar macrophages

Question 4

alveolar pores

Answer 4

• equalise pressure throughout the lung
• provide alternative air routes if bronchi collapse due to disease