Respiratory Membrane

Question 1

describe the walls of alveoli

Answer 1

single layer of (mostly) squamous epithelial cells on a thin basement membrane

Question 2

what are alveoli surrounded by

Answer 2

capillaries

Question 3

what do the alveoli and capillaries form together

Answer 3

respiratory membrane

Question 4

how thick is the respiratory membrane

Answer 4

0.5 micrometres