Mechanics Of Respiration

Question 1

Pump-handle

Answer 1

Forward and upward movement of the sternum and upper ribs

Question 2

Bucket handle

Answer 2

Elevation and outward turning of the mid-shaft of the ribs

Question 3

Caliper motion

Answer 3

Lower ribs flair outward (increases subcostal angle)

Question 4

Piston action

Answer 4

Central tendon of diaphragm descends

Question 5

Upper respiratory tract

Answer 5

Nasal cavity and Pharynx warm the air filters and removes particles