8.1 Anatomy of the respiratory system

Question 1

Functions of paranasal sinuses

Answer 1

Warming, moistening and filtering air (lower 2/3 mucosa)
Olfactory sensation (upper 1/3 mucosa)
Speech modification (sinuses)

Question 2

At what level does the thrachea begin and end

Answer 2

Commences below cricoid cartilage at C6

End in bifurcation at T4

Question 3

How do the bronchus differ?

Answer 3

Right is more vertical, shorter and wider